20413526300664 has 128 divisors (see below), whose sum is σ = 61593459056640. Its totient is φ = 5511636738432.

The previous prime is 20413526300647. The next prime is 20413526300693. The reversal of 20413526300664 is 46600362531402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31504612 + ... + 32146035.

It is an arithmetic number, because the mean of its divisors is an integer number (481198898880).

Almost surely, 2^{20413526300664} is an apocalyptic number.

20413526300664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20413526300664 is an abundant number, since it is smaller than the sum of its proper divisors (41179932755976).

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

20413526300664 is a wasteful number, since it uses less digits than its factorization.

20413526300664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63650769 (or 63650765 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 20413526300664 in words is "twenty trillion, four hundred thirteen billion, five hundred twenty-six million, three hundred thousand, six hundred sixty-four".