14720551020 has 144 divisors (see below), whose sum is σ = 51154871040. Its totient is φ = 3356546688.

The previous prime is 14720551009. The next prime is 14720551033. The reversal of 14720551020 is 2015502741.

14720551020 is a `hidden beast` number, since 147 + 2 + 0 + 5 + 510 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513999 + ... + 541881.

It is an arithmetic number, because the mean of its divisors is an integer number (355242160).

Almost surely, 2^14720551020 is an apocalyptic number.

14720551020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14720551020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25577435520).

14720551020 is an abundant number, since it is smaller than the sum of its proper divisors (36434320020).

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

14720551020 is a wasteful number, since it uses less digits than its factorization.

14720551020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28324 (or 28319 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 14720551020 in words is "fourteen billion, seven hundred twenty million, five hundred fifty-one thousand, twenty".