20512193094 has 24 divisors (see below), whose sum is σ = 44446320360. Its totient is φ = 6836899968.

The previous prime is 20512193077. The next prime is 20512193111. The reversal of 20512193094 is 49039121502.

20512193094 is a `hidden beast` number, since 20 + 512 + 1 + 9 + 30 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (20512193077) and next prime (20512193111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279997 + ... + 345575.

It is an arithmetic number, because the mean of its divisors is an integer number (1851930015).

Almost surely, 2^20512193094 is an apocalyptic number.

20512193094 is an abundant number, since it is smaller than the sum of its proper divisors (23934127266).

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

20512193094 is a wasteful number, since it uses less digits than its factorization.

20512193094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82964 (or 82961 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 20512193094 in words is "twenty billion, five hundred twelve million, one hundred ninety-three thousand, ninety-four".