20343214999560 has 64 divisors (see below), whose sum is σ = 61395092035200. Its totient is φ = 5392373152256.

The previous prime is 20343214999543. The next prime is 20343214999577. The reversal of 20343214999560 is 6599941234302.

It is an interprime number because it is at equal distance from previous prime (20343214999543) and next prime (20343214999577).

It is a self number, because there is not a number n which added to its sum of digits gives 20343214999560.

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, 507545205 + ... + 507585284.

It is an arithmetic number, because the mean of its divisors is an integer number (959298313050).

Almost surely, 2^{20343214999560} is an apocalyptic number.

20343214999560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343214999560 is an abundant number, since it is smaller than the sum of its proper divisors (41051877035640).

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

20343214999560 is a wasteful number, since it uses less digits than its factorization.

20343214999560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015130670 (or 1015130666 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 20343214999560 in words is "twenty trillion, three hundred forty-three billion, two hundred fourteen million, nine hundred ninety-nine thousand, five hundred sixty".