20103010198 has 4 divisors (see below), whose sum is σ = 30154515300. Its totient is φ = 10051505098.

The previous prime is 20103010181. The next prime is 20103010199. The reversal of 20103010198 is 89101030102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103010199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025752548 + ... + 5025752551.

It is an arithmetic number, because the mean of its divisors is an integer number (7538628825).

Almost surely, 2^20103010198 is an apocalyptic number.

20103010198 is a deficient number, since it is larger than the sum of its proper divisors (10051505102).

20103010198 is a wasteful number, since it uses less digits than its factorization.

20103010198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051505101.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 20103010198 in words is "twenty billion, one hundred three million, ten thousand, one hundred ninety-eight".