20152098240 has 56 divisors (see below), whose sum is σ = 63982914960. Its totient is φ = 5373892608.

The previous prime is 20152098223. The next prime is 20152098247. The reversal of 20152098240 is 4289025102.

It is a super-2 number, since 2×20152098240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152098247) 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, 10494925 + ... + 10496844.

Almost surely, 2^20152098240 is an apocalyptic number.

20152098240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20152098240 is an abundant number, since it is smaller than the sum of its proper divisors (43830816720).

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

20152098240 is a wasteful number, since it uses less digits than its factorization.

20152098240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20991789 (or 20991779 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20152098240 in words is "twenty billion, one hundred fifty-two million, ninety-eight thousand, two hundred forty".