20110289472 has 896 divisors, whose sum is σ = 78653030400. Its totient is φ = 4891041792.

The previous prime is 20110289461. The next prime is 20110289489. The reversal of 20110289472 is 27498201102.

20110289472 is a `hidden beast` number, since 2 + 0 + 1 + 102 + 89 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 158348673 + ... + 158348799.

It is an arithmetic number, because the mean of its divisors is an integer number (87782400).

Almost surely, 2^20110289472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110289472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39326515200).

20110289472 is an abundant number, since it is smaller than the sum of its proper divisors (58542740928).

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

20110289472 is a wasteful number, since it uses less digits than its factorization.

20110289472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 20110289472 in words is "twenty billion, one hundred ten million, two hundred eighty-nine thousand, four hundred seventy-two".