20813735030 has 32 divisors (see below), whose sum is σ = 41563342080. Its totient is φ = 7440346720.

The previous prime is 20813734957. The next prime is 20813735071. The reversal of 20813735030 is 3053731802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597034 + ... + 1610013.

It is an arithmetic number, because the mean of its divisors is an integer number (1298854440).

Almost surely, 2^20813735030 is an apocalyptic number.

20813735030 is a deficient number, since it is larger than the sum of its proper divisors (20749607050).

20813735030 is a wasteful number, since it uses less digits than its factorization.

20813735030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207124.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 20813735030 in words is "twenty billion, eight hundred thirteen million, seven hundred thirty-five thousand, thirty".