20492153544088 has 8 divisors (see below), whose sum is σ = 38422787895180. Its totient is φ = 10246076772040.

The previous prime is 20492153544077. The next prime is 20492153544089. The reversal of 20492153544088 is 88044535129402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492153544089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280759596498 + ... + 1280759596513.

Almost surely, 2^{20492153544088} is an apocalyptic number.

It is an amenable number.

20492153544088 is a deficient number, since it is larger than the sum of its proper divisors (17930634351092).

20492153544088 is a wasteful number, since it uses less digits than its factorization.

20492153544088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561519193017 (or 2561519193013 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 20492153544088 in words is "twenty trillion, four hundred ninety-two billion, one hundred fifty-three million, five hundred forty-four thousand, eighty-eight".