20465444956462 has 16 divisors (see below), whose sum is σ = 33814044980352. Its totient is φ = 9212159688120.

The previous prime is 20465444956447. The next prime is 20465444956519. The reversal of 20465444956462 is 26465944456402.

It is a self number, because there is not a number n which added to its sum of digits gives 20465444956462.

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, 4515762288 + ... + 4515766819.

It is an arithmetic number, because the mean of its divisors is an integer number (2113377811272).

Almost surely, 2^{20465444956462} is an apocalyptic number.

20465444956462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20465444956462 is a deficient number, since it is larger than the sum of its proper divisors (13348600023890).

20465444956462 is a wasteful number, since it uses less digits than its factorization.

20465444956462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031529223.

The product of its (nonzero) digits is 199065600, while the sum is 61.

The spelling of 20465444956462 in words is "twenty trillion, four hundred sixty-five billion, four hundred forty-four million, nine hundred fifty-six thousand, four hundred sixty-two".