20346520616410 has 16 divisors (see below), whose sum is σ = 36947840979816. Its totient is φ = 8066585164288.

The previous prime is 20346520616399. The next prime is 20346520616447. The reversal of 20346520616410 is 1461602564302.

It can be written as a sum of positive squares in 4 ways, for example, as 10745762593329 + 9600758023081 = 3278073^2 + 3098509^2 .

It is a super-2 number, since 2×20346520616410² (a number of 27 digits) contains 22 as substring.

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, 9002884099 + ... + 9002886358.

Almost surely, 2^{20346520616410} is an apocalyptic number.

20346520616410 is a deficient number, since it is larger than the sum of its proper divisors (16601320363406).

20346520616410 is a wasteful number, since it uses less digits than its factorization.

20346520616410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18005770577.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 20346520616410 in words is "twenty trillion, three hundred forty-six billion, five hundred twenty million, six hundred sixteen thousand, four hundred ten".