20000220099975 has 36 divisors (see below), whose sum is σ = 35827538043336. Its totient is φ = 10665318565440.

The previous prime is 20000220099763. The next prime is 20000220099991. The reversal of 20000220099975 is 57999002200002.

It is a happy number.

It is not a de Polignac number, because 20000220099975 - 2²⁶ = 20000152991111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20000220099975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4463884 + ... + 7741233.

Almost surely, 2^{20000220099975} is an apocalyptic number.

20000220099975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20000220099975 is a deficient number, since it is larger than the sum of its proper divisors (15827317943361).

20000220099975 is a wasteful number, since it uses less digits than its factorization.

20000220099975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12212416 (or 12212408 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

Adding to 20000220099975 its reverse (57999002200002), we get a palindrome (77999222299977).

The spelling of 20000220099975 in words is "twenty trillion, two hundred twenty million, ninety-nine thousand, nine hundred seventy-five".