20013176512340 has 48 divisors (see below), whose sum is σ = 46823865225984. Its totient is φ = 7122677904000.

The previous prime is 20013176512337. The next prime is 20013176512397. The reversal of 20013176512340 is 4321567131002.

It is a super-2 number, since 2×20013176512340² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20013176512340.

It is a congruent number.

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, 967744811 + ... + 967765490.

It is an arithmetic number, because the mean of its divisors is an integer number (975497192208).

Almost surely, 2^{20013176512340} is an apocalyptic number.

20013176512340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013176512340 is an abundant number, since it is smaller than the sum of its proper divisors (26810688713644).

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

20013176512340 is a wasteful number, since it uses less digits than its factorization.

20013176512340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935510368 (or 1935510366 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 20013176512340 in words is "twenty trillion, thirteen billion, one hundred seventy-six million, five hundred twelve thousand, three hundred forty".