20498600260 has 24 divisors (see below), whose sum is σ = 44096990616. Its totient is φ = 7999453440.

The previous prime is 20498600237. The next prime is 20498600261. The reversal of 20498600260 is 6200689402.

It can be written as a sum of positive squares in 4 ways, for example, as 900840196 + 19597760064 = 30014^2 + 139992^2 .

It is a super-2 number, since 2×20498600260² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20498600261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12498327 + ... + 12499966.

It is an arithmetic number, because the mean of its divisors is an integer number (1837374609).

Almost surely, 2^20498600260 is an apocalyptic number.

20498600260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20498600260 is an abundant number, since it is smaller than the sum of its proper divisors (23598390356).

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

20498600260 is a wasteful number, since it uses less digits than its factorization.

20498600260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24998343 (or 24998341 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20498600260 in words is "twenty billion, four hundred ninety-eight million, six hundred thousand, two hundred sixty".