20712472311254 has 32 divisors (see below), whose sum is σ = 32380295028480. Its totient is φ = 9928159718400.

The previous prime is 20712472311169. The next prime is 20712472311277. The reversal of 20712472311254 is 45211327421702.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995067 + ... + 7098969.

It is an arithmetic number, because the mean of its divisors is an integer number (1011884219640).

Almost surely, 2^{20712472311254} is an apocalyptic number.

20712472311254 is a deficient number, since it is larger than the sum of its proper divisors (11667822717226).

20712472311254 is a wasteful number, since it uses less digits than its factorization.

20712472311254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105016.

The product of its (nonzero) digits is 188160, while the sum is 41.

Adding to 20712472311254 its reverse (45211327421702), we get a palindrome (65923799732956).

The spelling of 20712472311254 in words is "twenty trillion, seven hundred twelve billion, four hundred seventy-two million, three hundred eleven thousand, two hundred fifty-four".