20411431698 has 16 divisors (see below), whose sum is σ = 46654701120. Its totient is φ = 5831837616.

The previous prime is 20411431697. The next prime is 20411431699. The reversal of 20411431698 is 89613411402.

It is an interprime number because it is at equal distance from previous prime (20411431697) and next prime (20411431699).

It is not an unprimeable number, because it can be changed into a prime (20411431693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242993193 + ... + 242993276.

It is an arithmetic number, because the mean of its divisors is an integer number (2915918820).

Almost surely, 2^20411431698 is an apocalyptic number.

20411431698 is an abundant number, since it is smaller than the sum of its proper divisors (26243269422).

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

20411431698 is a wasteful number, since it uses less digits than its factorization.

20411431698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485986481.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 20411431698 in words is "twenty billion, four hundred eleven million, four hundred thirty-one thousand, six hundred ninety-eight".