13020209998 has 4 divisors (see below), whose sum is σ = 19530315000. Its totient is φ = 6510104998.

The previous prime is 13020209989. The next prime is 13020210013. The reversal of 13020209998 is 89990202031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89990202031 = 149371 ⋅602461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255052498 + ... + 3255052501.

It is an arithmetic number, because the mean of its divisors is an integer number (4882578750).

Almost surely, 2^13020209998 is an apocalyptic number.

13020209998 is a deficient number, since it is larger than the sum of its proper divisors (6510105002).

13020209998 is an equidigital number, since it uses as much as digits as its factorization.

13020209998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510105001.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 13020209998 in words is "thirteen billion, twenty million, two hundred nine thousand, nine hundred ninety-eight".