20110858080 has 96 divisors (see below), whose sum is σ = 63387878400. Its totient is φ = 5359621632.

The previous prime is 20110858069. The next prime is 20110858099. The reversal of 20110858080 is 8085801102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20110858080² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 832411 + ... + 856229.

It is an arithmetic number, because the mean of its divisors is an integer number (660290400).

Almost surely, 2^20110858080 is an apocalyptic number.

20110858080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110858080 is an abundant number, since it is smaller than the sum of its proper divisors (43277020320).

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

20110858080 is a wasteful number, since it uses less digits than its factorization.

20110858080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25596 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The spelling of 20110858080 in words is "twenty billion, one hundred ten million, eight hundred fifty-eight thousand, eighty".