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2020022025 = 352717239947
BaseRepresentation
bin111100001100111…
…0001011100001001
312012210000202021120
41320121301130021
513114111201100
6532240025453
7101025622020
oct17031613411
95183022246
102020022025
1194728249a
12484602289
13262667808
141523cb8b7
15bc51a0a0
hex78671709

2020022025 has 96 divisors (see below), whose sum is σ = 4062597120. Its totient is φ = 864568320.

The previous prime is 2020022023. The next prime is 2020022027. The reversal of 2020022025 is 5202200202.

It is an interprime number because it is at equal distance from previous prime (2020022023) and next prime (2020022027).

It is not a de Polignac number, because 2020022025 - 21 = 2020022023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2020021995 and 2020022013.

It is not an unprimeable number, because it can be changed into a prime (2020022023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2132602 + ... + 2133548.

It is an arithmetic number, because the mean of its divisors is an integer number (42318720).

Almost surely, 22020022025 is an apocalyptic number.

2020022025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020022025 is an abundant number, since it is smaller than the sum of its proper divisors (2042575095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020022025 is a wasteful number, since it uses less digits than its factorization.

2020022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2020022025 is about 44944.6551327296. The cubic root of 2020022025 is about 1264.1114592284. Note that the first 3 decimals are identical.

Adding to 2020022025 its reverse (5202200202), we get a palindrome (7222222227).

The spelling of 2020022025 in words is "two billion, twenty million, twenty-two thousand, twenty-five".

Divisors: 1 3 5 7 15 17 21 25 35 51 75 85 105 119 175 239 255 357 425 525 595 717 947 1195 1275 1673 1785 2841 2975 3585 4063 4735 5019 5975 6629 8365 8925 12189 14205 16099 17925 19887 20315 23675 25095 28441 33145 41825 48297 60945 71025 80495 85323 99435 101575 112693 125475 142205 165725 226333 241485 304725 338079 402475 426615 497175 563465 678999 711025 1131665 1207425 1584331 1690395 2133075 2817325 3394995 3847661 4752993 5658325 7921655 8451975 11542983 16974975 19238305 23764965 26933627 39608275 57714915 80800881 96191525 118824825 134668135 288574575 404004405 673340675 2020022025