20102020222099 has 16 divisors (see below), whose sum is σ = 22307338874880. Its totient is φ = 18037574743680.

The previous prime is 20102020222093. The next prime is 20102020222169. The reversal of 20102020222099 is 99022202020102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102020222099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20102020222099.

It is not an unprimeable number, because it can be changed into a prime (20102020222093) 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, 363047494 + ... + 363102859.

It is an arithmetic number, because the mean of its divisors is an integer number (1394208679680).

Almost surely, 2^{20102020222099} is an apocalyptic number.

20102020222099 is a deficient number, since it is larger than the sum of its proper divisors (2205318652781).

20102020222099 is a wasteful number, since it uses less digits than its factorization.

20102020222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726150450.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20102020222099 in words is "twenty trillion, one hundred two billion, twenty million, two hundred twenty-two thousand, ninety-nine".