20476231373643 has 8 divisors (see below), whose sum is σ = 27307781188608. Its totient is φ = 13647751237224.

The previous prime is 20476231373621. The next prime is 20476231373671. The reversal of 20476231373643 is 34637313267402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20476231373643 - 2⁹ = 20476231373131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20476231373443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 767404071 + ... + 767430752.

It is an arithmetic number, because the mean of its divisors is an integer number (3413472648576).

Almost surely, 2^{20476231373643} is an apocalyptic number.

20476231373643 is a deficient number, since it is larger than the sum of its proper divisors (6831549814965).

20476231373643 is a wasteful number, since it uses less digits than its factorization.

20476231373643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534839273.

The product of its (nonzero) digits is 9144576, while the sum is 51.

The spelling of 20476231373643 in words is "twenty trillion, four hundred seventy-six billion, two hundred thirty-one million, three hundred seventy-three thousand, six hundred forty-three".