20612172047462 has 16 divisors (see below), whose sum is σ = 31237316273520. Its totient is φ = 10199735420928.

The previous prime is 20612172047419. The next prime is 20612172047471. The reversal of 20612172047462 is 26474027121602.

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, 21124214 + ... + 22078422.

It is an arithmetic number, because the mean of its divisors is an integer number (1952332267095).

Almost surely, 2^{20612172047462} is an apocalyptic number.

20612172047462 is a deficient number, since it is larger than the sum of its proper divisors (10625144226058).

20612172047462 is a wasteful number, since it uses less digits than its factorization.

20612172047462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065655.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 20612172047462 in words is "twenty trillion, six hundred twelve billion, one hundred seventy-two million, forty-seven thousand, four hundred sixty-two".