20275665110000 has 100 divisors (see below), whose sum is σ = 50133869551392. Its totient is φ = 7937707008000.

The previous prime is 20275665109967. The next prime is 20275665110009. The reversal of 20275665110000 is 1156657202.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×20275665110000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275665110009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21099857 + ... + 22039856.

Almost surely, 2^{20275665110000} is an apocalyptic number.

20275665110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20275665110000 is an abundant number, since it is smaller than the sum of its proper divisors (29858204441392).

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

20275665110000 is an equidigital number, since it uses as much as digits as its factorization.

20275665110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43139788 (or 43139767 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20275665110000 in words is "twenty trillion, two hundred seventy-five billion, six hundred sixty-five million, one hundred ten thousand".