20460513561452 has 12 divisors (see below), whose sum is σ = 35808105137280. Its totient is φ = 10229626379376.

The previous prime is 20460513561421. The next prime is 20460513561479. The reversal of 20460513561452 is 25416531506402.

It is a super-2 number, since 2×20460513561452² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157527308 + ... + 157657139.

It is an arithmetic number, because the mean of its divisors is an integer number (2984008761440).

Almost surely, 2^{20460513561452} is an apocalyptic number.

It is an amenable number.

20460513561452 is a deficient number, since it is larger than the sum of its proper divisors (15347591575828).

20460513561452 is a wasteful number, since it uses less digits than its factorization.

20460513561452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315200680 (or 315200678 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 20460513561452 in words is "twenty trillion, four hundred sixty billion, five hundred thirteen million, five hundred sixty-one thousand, four hundred fifty-two".