14534566620 has 96 divisors (see below), whose sum is σ = 46633843200. Its totient is φ = 3313384704.

The previous prime is 14534566589. The next prime is 14534566643. The reversal of 14534566620 is 2666543541.

It is a super-2 number, since 2×14534566620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 113526 + ... + 204834.

It is an arithmetic number, because the mean of its divisors is an integer number (485769200).

Almost surely, 2^14534566620 is an apocalyptic number.

14534566620 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 14534566620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23316921600).

14534566620 is an abundant number, since it is smaller than the sum of its proper divisors (32099276580).

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

14534566620 is a wasteful number, since it uses less digits than its factorization.

14534566620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91707 (or 91705 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 14534566620 in words is "fourteen billion, five hundred thirty-four million, five hundred sixty-six thousand, six hundred twenty".