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20202122232 = 2332280585031
BaseRepresentation
bin10010110100001000…
…111110101111111000
31221010220212010211100
4102310020332233320
5312333220402412
613140345331400
71313425130355
oct226410765770
957126763740
1020202122232
118627631496
123ab9796b60
131b9c525ba6
14d9909b62c
157d3893edc
hex4b423ebf8

20202122232 has 24 divisors (see below), whose sum is σ = 54714081240. Its totient is φ = 6734040720.

The previous prime is 20202122231. The next prime is 20202122233. The reversal of 20202122232 is 23222120202.

It is an interprime number because it is at equal distance from previous prime (20202122231) and next prime (20202122233).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140292444 + ... + 140292587.

It is an arithmetic number, because the mean of its divisors is an integer number (2279753385).

Almost surely, 220202122232 is an apocalyptic number.

It is an amenable number.

20202122232 is an abundant number, since it is smaller than the sum of its proper divisors (34511959008).

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

20202122232 is a wasteful number, since it uses less digits than its factorization.

20202122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280585043 (or 280585036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20202122232 its reverse (23222120202), we get a palindrome (43424242434).

The spelling of 20202122232 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 280585031 561170062 841755093 1122340124 1683510186 2244680248 2525265279 3367020372 5050530558 6734040744 10101061116 20202122232