20154052676512 has 24 divisors (see below), whose sum is σ = 39683863666692. Its totient is φ = 10075611110400.

The previous prime is 20154052676489. The next prime is 20154052676609. The reversal of 20154052676512 is 21567625045102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20133133104016 + 20919572496 = 4486996^2 + 144636^2 .

It is a super-2 number, since 2×20154052676512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43994439 + ... + 44450182.

Almost surely, 2^{20154052676512} is an apocalyptic number.

It is an amenable number.

20154052676512 is a deficient number, since it is larger than the sum of its proper divisors (19529810990180).

20154052676512 is an equidigital number, since it uses as much as digits as its factorization.

20154052676512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88451752 (or 88451744 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 20154052676512 in words is "twenty trillion, one hundred fifty-four billion, fifty-two million, six hundred seventy-six thousand, five hundred twelve".