20154687283315 has 48 divisors (see below), whose sum is σ = 27732494265696. Its totient is φ = 14006555596800.

The previous prime is 20154687283307. The next prime is 20154687283321. The reversal of 20154687283315 is 51338278645102.

It is not a de Polignac number, because 20154687283315 - 2³ = 20154687283307 is a prime.

It is a super-2 number, since 2×20154687283315² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 154660285 + ... + 154790545.

It is an arithmetic number, because the mean of its divisors is an integer number (577760297202).

Almost surely, 2^{20154687283315} is an apocalyptic number.

20154687283315 is a deficient number, since it is larger than the sum of its proper divisors (7577806982381).

20154687283315 is a wasteful number, since it uses less digits than its factorization.

20154687283315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141080 (or 141067 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 20154687283315 in words is "twenty trillion, one hundred fifty-four billion, six hundred eighty-seven million, two hundred eighty-three thousand, three hundred fifteen".