20050320615463 has 16 divisors (see below), whose sum is σ = 21726732953376. Its totient is φ = 18429260451840.

The previous prime is 20050320615443. The next prime is 20050320615469. The reversal of 20050320615463 is 36451602305002.

It is a cyclic number.

It is not a de Polignac number, because 20050320615463 - 2⁵ = 20050320615431 is a prime.

It is a super-2 number, since 2×20050320615463² (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 (20050320615469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2810295 + ... + 6928087.

It is an arithmetic number, because the mean of its divisors is an integer number (1357920809586).

Almost surely, 2^{20050320615463} is an apocalyptic number.

20050320615463 is a deficient number, since it is larger than the sum of its proper divisors (1676412337913).

20050320615463 is a wasteful number, since it uses less digits than its factorization.

20050320615463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124514.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 20050320615463 in words is "twenty trillion, fifty billion, three hundred twenty million, six hundred fifteen thousand, four hundred sixty-three".