20002514145460 has 72 divisors (see below), whose sum is σ = 52766962980480. Its totient is φ = 6234549858240.

The previous prime is 20002514145457. The next prime is 20002514145479. The reversal of 20002514145460 is 6454141520002.

It is a super-2 number, since 2×20002514145460² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590376040 + ... + 590409919.

It is an arithmetic number, because the mean of its divisors is an integer number (732874485840).

Almost surely, 2^{20002514145460} is an apocalyptic number.

20002514145460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002514145460 is an abundant number, since it is smaller than the sum of its proper divisors (32764448835020).

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

20002514145460 is a wasteful number, since it uses less digits than its factorization.

20002514145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180785997 (or 1180785984 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 20002514145460 its reverse (6454141520002), we get a palindrome (26456655665462).

The spelling of 20002514145460 in words is "twenty trillion, two billion, five hundred fourteen million, one hundred forty-five thousand, four hundred sixty".