20411563080 has 32 divisors (see below), whose sum is σ = 61234689600. Its totient is φ = 5443083456.

The previous prime is 20411563057. The next prime is 20411563103. The reversal of 20411563080 is 8036511402.

It is an interprime number because it is at equal distance from previous prime (20411563057) and next prime (20411563103).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85048060 + ... + 85048299.

It is an arithmetic number, because the mean of its divisors is an integer number (1913584050).

Almost surely, 2^20411563080 is an apocalyptic number.

20411563080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411563080 is an abundant number, since it is smaller than the sum of its proper divisors (40823126520).

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

20411563080 is a wasteful number, since it uses less digits than its factorization.

20411563080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170096373 (or 170096369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20411563080 in words is "twenty billion, four hundred eleven million, five hundred sixty-three thousand, eighty".