20352664776430 has 128 divisors (see below), whose sum is σ = 44183850347520. Its totient is φ = 6594014822400.

The previous prime is 20352664776413. The next prime is 20352664776439. The reversal of 20352664776430 is 3467746625302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352664776439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2119843630 + ... + 2119853230.

It is an arithmetic number, because the mean of its divisors is an integer number (345186330840).

Almost surely, 2^{20352664776430} is an apocalyptic number.

20352664776430 is an abundant number, since it is smaller than the sum of its proper divisors (23831185571090).

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

20352664776430 is a wasteful number, since it uses less digits than its factorization.

20352664776430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514.

The product of its (nonzero) digits is 30481920, while the sum is 55.

The spelling of 20352664776430 in words is "twenty trillion, three hundred fifty-two billion, six hundred sixty-four million, seven hundred seventy-six thousand, four hundred thirty".