20198059824 has 20 divisors (see below), whose sum is σ = 52178321336. Its totient is φ = 6732686592.

The previous prime is 20198059813. The next prime is 20198059829. The reversal of 20198059824 is 42895089102.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 420792913 = 20198059824 / (2 + 0 + 1 + 9 + 8 + 0 + 5 + 9 + 8 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (20198059829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210396409 + ... + 210396504.

Almost surely, 2^20198059824 is an apocalyptic number.

20198059824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20198059824 is an abundant number, since it is smaller than the sum of its proper divisors (31980261512).

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

20198059824 is a wasteful number, since it uses less digits than its factorization.

20198059824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420792924 (or 420792918 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 20198059824 in words is "twenty billion, one hundred ninety-eight million, fifty-nine thousand, eight hundred twenty-four".