20244244398 has 16 divisors (see below), whose sum is σ = 46272558720. Its totient is φ = 5784069816.

The previous prime is 20244244387. The next prime is 20244244451. The reversal of 20244244398 is 89344244202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 482005819 = 20244244398 / (2 + 0 + 2 + 4 + 4 + 2 + 4 + 4 + 3 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241002868 + ... + 241002951.

It is an arithmetic number, because the mean of its divisors is an integer number (2892034920).

Almost surely, 2^20244244398 is an apocalyptic number.

20244244398 is an abundant number, since it is smaller than the sum of its proper divisors (26028314322).

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

20244244398 is a wasteful number, since it uses less digits than its factorization.

20244244398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482005831.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 20244244398 in words is "twenty billion, two hundred forty-four million, two hundred forty-four thousand, three hundred ninety-eight".