20253513936 has 40 divisors (see below), whose sum is σ = 53538364000. Its totient is φ = 6594166656.

The previous prime is 20253513919. The next prime is 20253513971. The reversal of 20253513936 is 63931535202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20253513894 and 20253513903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4904311 + ... + 4908438.

It is an arithmetic number, because the mean of its divisors is an integer number (1338459100).

Almost surely, 2^20253513936 is an apocalyptic number.

It is an amenable number.

20253513936 is an abundant number, since it is smaller than the sum of its proper divisors (33284850064).

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

20253513936 is a wasteful number, since it uses less digits than its factorization.

20253513936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812803 (or 9812797 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 39.

The spelling of 20253513936 in words is "twenty billion, two hundred fifty-three million, five hundred thirteen thousand, nine hundred thirty-six".