20154022045102 has 24 divisors (see below), whose sum is σ = 33235108254936. Its totient is φ = 9159277050000.

The previous prime is 20154022045097. The next prime is 20154022045109.

It is a happy number.

20154022045102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154022045109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6110524 + ... + 8811727.

It is an arithmetic number, because the mean of its divisors is an integer number (1384796177289).

Almost surely, 2^{20154022045102} is an apocalyptic number.

20154022045102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20154022045102 is a deficient number, since it is larger than the sum of its proper divisors (13081086209834).

20154022045102 is a wasteful number, since it uses less digits than its factorization.

20154022045102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14927856 (or 14927845 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 20154022045102 in words is "twenty trillion, one hundred fifty-four billion, twenty-two million, forty-five thousand, one hundred two".