20122536532 has 12 divisors (see below), whose sum is σ = 40245073120. Its totient is φ = 8623944216.

The previous prime is 20122536527. The next prime is 20122536541. The reversal of 20122536532 is 23563522102.

20122536532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20122536494 and 20122536503.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 359330982 + ... + 359331037.

Almost surely, 2^20122536532 is an apocalyptic number.

It is an amenable number.

20122536532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20122536532 is a wasteful number, since it uses less digits than its factorization.

20122536532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718662030 (or 718662028 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 20122536532 in words is "twenty billion, one hundred twenty-two million, five hundred thirty-six thousand, five hundred thirty-two".