20346456613660 has 96 divisors (see below), whose sum is σ = 46264714417152. Its totient is φ = 7496596208640.

The previous prime is 20346456613631. The next prime is 20346456613727. The reversal of 20346456613660 is 6631665464302.

It is a junction number, because it is equal to n+sod(n) for n = 20346456613598 and 20346456613607.

It is a congruent number.

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, 5839549 + ... + 8648308.

It is an arithmetic number, because the mean of its divisors is an integer number (481924108512).

Almost surely, 2^{20346456613660} is an apocalyptic number.

20346456613660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20346456613660 is an abundant number, since it is smaller than the sum of its proper divisors (25918257803492).

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

20346456613660 is a wasteful number, since it uses less digits than its factorization.

20346456613660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488003 (or 14488001 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 20346456613660 in words is "twenty trillion, three hundred forty-six billion, four hundred fifty-six million, six hundred thirteen thousand, six hundred sixty".