20700007476808 has 64 divisors (see below), whose sum is σ = 42818342212800. Its totient is φ = 9303009745920.

The previous prime is 20700007476787. The next prime is 20700007476833. The reversal of 20700007476808 is 80867470000702.

It is a happy number.

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, 358183291 + ... + 358241077.

It is an arithmetic number, because the mean of its divisors is an integer number (669036597075).

Almost surely, 2^{20700007476808} is an apocalyptic number.

It is an amenable number.

20700007476808 is an abundant number, since it is smaller than the sum of its proper divisors (22118334735992).

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

20700007476808 is a wasteful number, since it uses less digits than its factorization.

20700007476808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103630 (or 103626 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 20700007476808 in words is "twenty trillion, seven hundred billion, seven million, four hundred seventy-six thousand, eight hundred eight".