Search a number
-
+
20014220100 = 2235279530581
BaseRepresentation
bin10010101000111100…
…001100001101000100
31220122211021201120010
4102220330030031010
5311442120020400
613105554110220
71305654030630
oct225074141504
956584251503
1020014220100
118540561876
123a6687b370
131b6c6162b4
14d7c147dc0
157c2129450
hex4a8f0c344

20014220100 has 72 divisors (see below), whose sum is σ = 66180361408. Its totient is φ = 4574678400.

The previous prime is 20014220087. The next prime is 20014220117. The reversal of 20014220100 is 102241002.

It is a super-2 number, since 2×200142201002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4763191 + ... + 4767390.

Almost surely, 220014220100 is an apocalyptic number.

20014220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014220100 is an abundant number, since it is smaller than the sum of its proper divisors (46166141308).

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

20014220100 is a wasteful number, since it uses less digits than its factorization.

20014220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530605 (or 9530598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20014220100 its reverse (102241002), we get a palindrome (20116461102).

The spelling of 20014220100 in words is "twenty billion, fourteen million, two hundred twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 9530581 19061162 28591743 38122324 47652905 57183486 66714067 95305810 114366972 133428134 142958715 190611620 200142201 238264525 266856268 285917430 333570335 400284402 476529050 571834860 667140670 714793575 800568804 953058100 1000711005 1334281340 1429587150 1667851675 2001422010 2859174300 3335703350 4002844020 5003555025 6671406700 10007110050 20014220100