20272521230 has 32 divisors (see below), whose sum is σ = 39335587200. Its totient is φ = 7477984512.

The previous prime is 20272521211. The next prime is 20272521251. The reversal of 20272521230 is 3212527202.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 20272521230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60026 + ... + 210114.

It is an arithmetic number, because the mean of its divisors is an integer number (1229237100).

Almost surely, 2^20272521230 is an apocalyptic number.

20272521230 is a deficient number, since it is larger than the sum of its proper divisors (19063065970).

20272521230 is a wasteful number, since it uses less digits than its factorization.

20272521230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151148.

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 20272521230 in words is "twenty billion, two hundred seventy-two million, five hundred twenty-one thousand, two hundred thirty".