20462020099 has 4 divisors (see below), whose sum is σ = 20497982040. Its totient is φ = 20426058160.

The previous prime is 20462020093. The next prime is 20462020141. The reversal of 20462020099 is 99002026402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20462020099 - 2³ = 20462020091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20462020091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17980117 + ... + 17981254.

It is an arithmetic number, because the mean of its divisors is an integer number (5124495510).

Almost surely, 2^20462020099 is an apocalyptic number.

20462020099 is a deficient number, since it is larger than the sum of its proper divisors (35961941).

20462020099 is an equidigital number, since it uses as much as digits as its factorization.

20462020099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961940.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 20462020099 in words is "twenty billion, four hundred sixty-two million, twenty thousand, ninety-nine".