20294702620 has 24 divisors (see below), whose sum is σ = 42621980688. Its totient is φ = 8117289600.

The previous prime is 20294702611. The next prime is 20294702641. The reversal of 20294702620 is 2620749202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336360 + ... + 392080.

It is an arithmetic number, because the mean of its divisors is an integer number (1775915862).

Almost surely, 2^20294702620 is an apocalyptic number.

20294702620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20294702620 is an abundant number, since it is smaller than the sum of its proper divisors (22327278068).

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

20294702620 is a wasteful number, since it uses less digits than its factorization.

20294702620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73941 (or 73939 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20294702620 in words is "twenty billion, two hundred ninety-four million, seven hundred two thousand, six hundred twenty".