20154255245102 has 16 divisors (see below), whose sum is σ = 34715463580800. Its totient is φ = 8678865894840.

The previous prime is 20154255245041. The next prime is 20154255245149.

20154255245102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24107960402 + ... + 24107961237.

It is an arithmetic number, because the mean of its divisors is an integer number (2169716473800).

Almost surely, 2^{20154255245102} is an apocalyptic number.

20154255245102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20154255245102 is a deficient number, since it is larger than the sum of its proper divisors (14561208335698).

20154255245102 is a wasteful number, since it uses less digits than its factorization.

20154255245102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48215921671.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 20154255245102 in words is "twenty trillion, one hundred fifty-four billion, two hundred fifty-five million, two hundred forty-five thousand, one hundred two".