20940700608 has 70 divisors (see below), whose sum is σ = 62074812096. Its totient is φ = 6980231808.

The previous prime is 20940700607. The next prime is 20940700609. The reversal of 20940700608 is 80600704902.

20940700608 is a `hidden beast` number, since 2 + 0 + 9 + 40 + 7 + 0 + 0 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (20940700607) and next prime (20940700609).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20940700607) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2014560 + ... + 2024927.

Almost surely, 2^20940700608 is an apocalyptic number.

It is an amenable number.

20940700608 is an abundant number, since it is smaller than the sum of its proper divisors (41134111488).

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

20940700608 is an equidigital number, since it uses as much as digits as its factorization.

20940700608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039511 (or 4039492 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20940700608 in words is "twenty billion, nine hundred forty million, seven hundred thousand, six hundred eight".