20125600616454 has 16 divisors (see below), whose sum is σ = 41010657860592. Its totient is φ = 6581957434208.

The previous prime is 20125600616453. The next prime is 20125600616551. The reversal of 20125600616454 is 45461600652102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125600616453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31644025809 + ... + 31644026444.

It is an arithmetic number, because the mean of its divisors is an integer number (2563166116287).

Almost surely, 2^{20125600616454} is an apocalyptic number.

20125600616454 is an abundant number, since it is smaller than the sum of its proper divisors (20885057244138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20125600616454 is a wasteful number, since it uses less digits than its factorization.

20125600616454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288052311.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20125600616454 in words is "twenty trillion, one hundred twenty-five billion, six hundred million, six hundred sixteen thousand, four hundred fifty-four".