20492538395028 has 96 divisors (see below), whose sum is σ = 54713087600640. Its totient is φ = 5847907052160.

The previous prime is 20492538395023. The next prime is 20492538395039. The reversal of 20492538395028 is 82059383529402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492538395023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026002050 + ... + 1026022022.

It is an arithmetic number, because the mean of its divisors is an integer number (569927995840).

Almost surely, 2^{20492538395028} is an apocalyptic number.

20492538395028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20492538395028 is an abundant number, since it is smaller than the sum of its proper divisors (34220549205612).

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

20492538395028 is a wasteful number, since it uses less digits than its factorization.

20492538395028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34197 (or 34195 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 20492538395028 in words is "twenty trillion, four hundred ninety-two billion, five hundred thirty-eight million, three hundred ninety-five thousand, twenty-eight".