20125461401254 has 32 divisors (see below), whose sum is σ = 34950314349216. Its totient is φ = 8589938872320.

The previous prime is 20125461401233. The next prime is 20125461401263. The reversal of 20125461401254 is 45210416452102.

It is a super-2 number, since 2×20125461401254² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61975927 + ... + 62299810.

It is an arithmetic number, because the mean of its divisors is an integer number (1092197323413).

Almost surely, 2^{20125461401254} is an apocalyptic number.

20125461401254 is a deficient number, since it is larger than the sum of its proper divisors (14824852947962).

20125461401254 is a wasteful number, since it uses less digits than its factorization.

20125461401254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124276200.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 20125461401254 its reverse (45210416452102), we get a palindrome (65335877853356).

The spelling of 20125461401254 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-one million, four hundred one thousand, two hundred fifty-four".