20574352460664 has 48 divisors (see below), whose sum is σ = 55745316708120. Its totient is φ = 6855272917440.

The previous prime is 20574352460663. The next prime is 20574352460681. The reversal of 20574352460664 is 46606425347502.

20574352460664 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 4 + 3 + 5 + 24 + 606 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20574352460664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574352460663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59087067 + ... + 59434250.

Almost surely, 2^{20574352460664} is an apocalyptic number.

20574352460664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20574352460664 is an abundant number, since it is smaller than the sum of its proper divisors (35170964247456).

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

20574352460664 is a wasteful number, since it uses less digits than its factorization.

20574352460664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118523740 (or 118523733 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 20574352460664 in words is "twenty trillion, five hundred seventy-four billion, three hundred fifty-two million, four hundred sixty thousand, six hundred sixty-four".