20706706700 has 72 divisors (see below), whose sum is σ = 45232834080. Its totient is φ = 8227699200.

The previous prime is 20706706697. The next prime is 20706706703. The reversal of 20706706700 is 760760702.

It is an interprime number because it is at equal distance from previous prime (20706706697) and next prime (20706706703).

It is not an unprimeable number, because it can be changed into a prime (20706706703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14449184 + ... + 14450616.

Almost surely, 2^20706706700 is an apocalyptic number.

20706706700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20706706700 is an abundant number, since it is smaller than the sum of its proper divisors (24526127380).

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

20706706700 is a wasteful number, since it uses less digits than its factorization.

20706706700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 20706706700 in words is "twenty billion, seven hundred six million, seven hundred six thousand, seven hundred".