20269482288 has 80 divisors (see below), whose sum is σ = 57765052800. Its totient is φ = 6073239040.

The previous prime is 20269482271. The next prime is 20269482301. The reversal of 20269482288 is 88228496202.

It is a self number, because there is not a number n which added to its sum of digits gives 20269482288.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168678 + ... + 262661.

It is an arithmetic number, because the mean of its divisors is an integer number (722063160).

Almost surely, 2^20269482288 is an apocalyptic number.

It is an amenable number.

20269482288 is an abundant number, since it is smaller than the sum of its proper divisors (37495570512).

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

20269482288 is a wasteful number, since it uses less digits than its factorization.

20269482288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431450 (or 431444 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 20269482288 in words is "twenty billion, two hundred sixty-nine million, four hundred eighty-two thousand, two hundred eighty-eight".