20002199998 has 96 divisors (see below), whose sum is σ = 35005259520. Its totient is φ = 8553600000.

The previous prime is 20002199993. The next prime is 20002200007. The reversal of 20002199998 is 89999120002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002199993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49880598 + ... + 49880998.

It is an arithmetic number, because the mean of its divisors is an integer number (364638120).

Almost surely, 2^20002199998 is an apocalyptic number.

20002199998 is a deficient number, since it is larger than the sum of its proper divisors (15003059522).

20002199998 is a wasteful number, since it uses less digits than its factorization.

20002199998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 20002199998 in words is "twenty billion, two million, one hundred ninety-nine thousand, nine hundred ninety-eight".