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2022011020 = 225101100551
BaseRepresentation
bin111100010000101…
…0111000010001100
312012220202210200001
41320201113002030
513120113323040
6532350414044
7101051544601
oct17041270214
95186683601
102022011020
11948410897
12485201324
13262bb2c33
141527886a8
15bc7ae59a
hex7885708c

2022011020 has 12 divisors (see below), whose sum is σ = 4246223184. Its totient is φ = 808804400.

The previous prime is 2022011009. The next prime is 2022011041. The reversal of 2022011020 is 201102202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2022010988 and 2022011006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50550256 + ... + 50550295.

It is an arithmetic number, because the mean of its divisors is an integer number (353851932).

Almost surely, 22022011020 is an apocalyptic number.

2022011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022011020 is an abundant number, since it is smaller than the sum of its proper divisors (2224212164).

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

2022011020 is a wasteful number, since it uses less digits than its factorization.

2022011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101100560 (or 101100558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2022011020 is about 44966.7768469122. The cubic root of 2022011020 is about 1264.5262214704.

Adding to 2022011020 its reverse (201102202), we get a palindrome (2223113222).

The spelling of 2022011020 in words is "two billion, twenty-two million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 101100551 202201102 404402204 505502755 1011005510 2022011020