20611374255400 has 48 divisors (see below), whose sum is σ = 47929003106400. Its totient is φ = 8243249407680.

The previous prime is 20611374255383. The next prime is 20611374255413. The reversal of 20611374255400 is 455247311602.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6855070 + ... + 9392269.

It is an arithmetic number, because the mean of its divisors is an integer number (998520898050).

Almost surely, 2^{20611374255400} is an apocalyptic number.

20611374255400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20611374255400 is an abundant number, since it is smaller than the sum of its proper divisors (27317628851000).

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

20611374255400 is a wasteful number, since it uses less digits than its factorization.

20611374255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16253698 (or 16253689 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20611374255400 in words is "twenty trillion, six hundred eleven billion, three hundred seventy-four million, two hundred fifty-five thousand, four hundred".