20122645032 has 96 divisors (see below), whose sum is σ = 62307273600. Its totient is φ = 5747213952.

The previous prime is 20122645013. The next prime is 20122645033. The reversal of 20122645032 is 23054622102.

It is a happy number.

20122645032 is a `hidden beast` number, since 2 + 0 + 12 + 2 + 645 + 0 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20122644987 and 20122645005.

It is not an unprimeable number, because it can be changed into a prime (20122645033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1812394 + ... + 1823462.

It is an arithmetic number, because the mean of its divisors is an integer number (649034100).

Almost surely, 2^20122645032 is an apocalyptic number.

It is an amenable number.

20122645032 is an abundant number, since it is smaller than the sum of its proper divisors (42184628568).

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

20122645032 is a wasteful number, since it uses less digits than its factorization.

20122645032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14695 (or 14688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20122645032 in words is "twenty billion, one hundred twenty-two million, six hundred forty-five thousand, thirty-two".