20202209998 has 32 divisors (see below), whose sum is σ = 32334940800. Its totient is φ = 9433259520.

The previous prime is 20202209927. The next prime is 20202210037. The reversal of 20202209998 is 89990220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7562203 + ... + 7564873.

It is an arithmetic number, because the mean of its divisors is an integer number (1010466900).

Almost surely, 2^20202209998 is an apocalyptic number.

20202209998 is a deficient number, since it is larger than the sum of its proper divisors (12132730802).

20202209998 is a wasteful number, since it uses less digits than its factorization.

20202209998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 20202209998 in words is "twenty billion, two hundred two million, two hundred nine thousand, nine hundred ninety-eight".