20670954542760 has 64 divisors (see below), whose sum is σ = 62797836614400. Its totient is φ = 5442479168256.

The previous prime is 20670954542747. The next prime is 20670954542783. The reversal of 20670954542760 is 6724545907602.

It is a self number, because there is not a number n which added to its sum of digits gives 20670954542760.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090230739 + ... + 1090249698.

It is an arithmetic number, because the mean of its divisors is an integer number (981216197100).

Almost surely, 2^{20670954542760} is an apocalyptic number.

20670954542760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20670954542760 is an abundant number, since it is smaller than the sum of its proper divisors (42126882071640).

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

20670954542760 is a wasteful number, since it uses less digits than its factorization.

20670954542760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180480530 (or 2180480526 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 20670954542760 in words is "twenty trillion, six hundred seventy billion, nine hundred fifty-four million, five hundred forty-two thousand, seven hundred sixty".