20290838563099 has 16 divisors (see below), whose sum is σ = 22387593219264. Its totient is φ = 18270764582400.

The previous prime is 20290838563087. The next prime is 20290838563111. The reversal of 20290838563099 is 99036583809202.

It is an interprime number because it is at equal distance from previous prime (20290838563087) and next prime (20290838563111).

It is a cyclic number.

It is not a de Polignac number, because 20290838563099 - 2⁵ = 20290838563067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20290838563099.

It is not an unprimeable number, because it can be changed into a prime (20290838564099) 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, 1538487 + ... + 6553519.

It is an arithmetic number, because the mean of its divisors is an integer number (1399224576204).

Almost surely, 2^{20290838563099} is an apocalyptic number.

20290838563099 is a deficient number, since it is larger than the sum of its proper divisors (2096754656165).

20290838563099 is a wasteful number, since it uses less digits than its factorization.

20290838563099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022678.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 20290838563099 in words is "twenty trillion, two hundred ninety billion, eight hundred thirty-eight million, five hundred sixty-three thousand, ninety-nine".