20098248957999 has 8 divisors (see below), whose sum is σ = 29775183641520. Its totient is φ = 13398832638648.

The previous prime is 20098248957989. The next prime is 20098248958009. The reversal of 20098248957999 is 99975984289002.

20098248957999 is a `hidden beast` number, since 2 + 0 + 0 + 9 + 82 + 489 + 57 + 9 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (20098248957989) and next prime (20098248958009).

It is not a de Polignac number, because 20098248957999 - 2¹² = 20098248953903 is a prime.

It is a super-2 number, since 2×20098248957999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098248957949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372189795492 + ... + 372189795545.

It is an arithmetic number, because the mean of its divisors is an integer number (3721897955190).

Almost surely, 2^{20098248957999} is an apocalyptic number.

20098248957999 is a deficient number, since it is larger than the sum of its proper divisors (9676934683521).

20098248957999 is an equidigital number, since it uses as much as digits as its factorization.

20098248957999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744379591046 (or 744379591040 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 81.

The spelling of 20098248957999 in words is "twenty trillion, ninety-eight billion, two hundred forty-eight million, nine hundred fifty-seven thousand, nine hundred ninety-nine".