20014975549680 has 80 divisors (see below), whose sum is σ = 62920317556224. Its totient is φ = 5262153191680.

The previous prime is 20014975549669. The next prime is 20014975549733. The reversal of 20014975549680 is 8694557941002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 587276844 + ... + 587310923.

Almost surely, 2^{20014975549680} is an apocalyptic number.

20014975549680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014975549680 is an abundant number, since it is smaller than the sum of its proper divisors (42905342006544).

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

20014975549680 is a wasteful number, since it uses less digits than its factorization.

20014975549680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174587854 (or 1174587848 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 20014975549680 in words is "twenty trillion, fourteen billion, nine hundred seventy-five million, five hundred forty-nine thousand, six hundred eighty".