20544303198 has 32 divisors (see below), whose sum is σ = 43316490240. Its totient is φ = 6486187680.

The previous prime is 20544303137. The next prime is 20544303233. The reversal of 20544303198 is 89130344502.

It is a Curzon number.

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, 1166293 + ... + 1183776.

It is an arithmetic number, because the mean of its divisors is an integer number (1353640320).

Almost surely, 2^20544303198 is an apocalyptic number.

20544303198 is an abundant number, since it is smaller than the sum of its proper divisors (22772187042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20544303198 is a wasteful number, since it uses less digits than its factorization.

20544303198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350152.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20544303198 in words is "twenty billion, five hundred forty-four million, three hundred three thousand, one hundred ninety-eight".