20298370131 has 36 divisors (see below), whose sum is σ = 31840536000. Its totient is φ = 12455187264.

The previous prime is 20298370121. The next prime is 20298370151. The reversal of 20298370131 is 13107389202.

It is not a de Polignac number, because 20298370131 - 2¹⁵ = 20298337363 is a prime.

It is a super-2 number, since 2×20298370131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20298370121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 511710 + ... + 549948.

Almost surely, 2^20298370131 is an apocalyptic number.

20298370131 is a deficient number, since it is larger than the sum of its proper divisors (11542165869).

20298370131 is a wasteful number, since it uses less digits than its factorization.

20298370131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38620 (or 38604 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 20298370131 in words is "twenty billion, two hundred ninety-eight million, three hundred seventy thousand, one hundred thirty-one".