20492144298 has 24 divisors (see below), whose sum is σ = 44436909348. Its totient is φ = 6824981952.

The previous prime is 20492144291. The next prime is 20492144329. The reversal of 20492144298 is 89244129402.

20492144298 is a `hidden beast` number, since 2 + 0 + 4 + 9 + 214 + 429 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19618764489 + 873379809 = 140067^2 + 29553^2 .

It is a super-3 number, since 3×20492144298³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20492144291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455665 + ... + 498612.

Almost surely, 2^20492144298 is an apocalyptic number.

20492144298 is an abundant number, since it is smaller than the sum of its proper divisors (23944765050).

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

20492144298 is a wasteful number, since it uses less digits than its factorization.

20492144298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955478 (or 955475 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 20492144298 in words is "twenty billion, four hundred ninety-two million, one hundred forty-four thousand, two hundred ninety-eight".