20344706157516 has 96 divisors (see below), whose sum is σ = 51261448213248. Its totient is φ = 6242913388800.

The previous prime is 20344706157469. The next prime is 20344706157539. The reversal of 20344706157516 is 61575160744302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344498191 + ... + 344557241.

It is an arithmetic number, because the mean of its divisors is an integer number (533973418888).

Almost surely, 2^{20344706157516} is an apocalyptic number.

20344706157516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20344706157516 is an abundant number, since it is smaller than the sum of its proper divisors (30916742055732).

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

20344706157516 is a wasteful number, since it uses less digits than its factorization.

20344706157516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65031 (or 65029 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 20344706157516 in words is "twenty trillion, three hundred forty-four billion, seven hundred six million, one hundred fifty-seven thousand, five hundred sixteen".