20433714167631 has 4 divisors (see below), whose sum is σ = 27244952223512. Its totient is φ = 13622476111752.

The previous prime is 20433714167597. The next prime is 20433714167639. The reversal of 20433714167631 is 13676141733402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-20433714167631 is a prime.

It is a super-2 number, since 2×20433714167631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433714167639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405619027936 + ... + 3405619027941.

It is an arithmetic number, because the mean of its divisors is an integer number (6811238055878).

Almost surely, 2^{20433714167631} is an apocalyptic number.

20433714167631 is a deficient number, since it is larger than the sum of its proper divisors (6811238055881).

20433714167631 is an equidigital number, since it uses as much as digits as its factorization.

20433714167631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811238055880.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 20433714167631 in words is "twenty trillion, four hundred thirty-three billion, seven hundred fourteen million, one hundred sixty-seven thousand, six hundred thirty-one".