20700903434870 has 8 divisors (see below), whose sum is σ = 37261626182784. Its totient is φ = 8280361373944.

The previous prime is 20700903434837. The next prime is 20700903434909. The reversal of 20700903434870 is 7843430900702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035045171734 + ... + 1035045171753.

It is an arithmetic number, because the mean of its divisors is an integer number (4657703272848).

Almost surely, 2^{20700903434870} is an apocalyptic number.

20700903434870 is a deficient number, since it is larger than the sum of its proper divisors (16560722747914).

20700903434870 is a wasteful number, since it uses less digits than its factorization.

20700903434870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070090343494.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 20700903434870 in words is "twenty trillion, seven hundred billion, nine hundred three million, four hundred thirty-four thousand, eight hundred seventy".