20116752603280 has 80 divisors (see below), whose sum is σ = 46813283472384. Its totient is φ = 8039507212800.

The previous prime is 20116752603263. The next prime is 20116752603281. The reversal of 20116752603280 is 8230625761102.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (20116752603281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419503305 + ... + 419551255.

Almost surely, 2^{20116752603280} is an apocalyptic number.

20116752603280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20116752603280 is an abundant number, since it is smaller than the sum of its proper divisors (26696530869104).

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

20116752603280 is a wasteful number, since it uses less digits than its factorization.

20116752603280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52544 (or 52538 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 20116752603280 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-two million, six hundred three thousand, two hundred eighty".