20253315016 has 16 divisors (see below), whose sum is σ = 41427235440. Its totient is φ = 9206052240.

The previous prime is 20253315001. The next prime is 20253315037. The reversal of 20253315016 is 61051335202.

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, 115075566 + ... + 115075741.

It is an arithmetic number, because the mean of its divisors is an integer number (2589202215).

Almost surely, 2^20253315016 is an apocalyptic number.

It is an amenable number.

20253315016 is an abundant number, since it is smaller than the sum of its proper divisors (21173920424).

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

20253315016 is a wasteful number, since it uses less digits than its factorization.

20253315016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230151324 (or 230151320 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 20253315016 in words is "twenty billion, two hundred fifty-three million, three hundred fifteen thousand, sixteen".