20257125330151 has 4 divisors (see below), whose sum is σ = 20358919930000. Its totient is φ = 20155330730304.

The previous prime is 20257125330131. The next prime is 20257125330181. The reversal of 20257125330151 is 15103352175202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20257125330151 - 2⁷ = 20257125330023 is a prime.

It is a super-2 number, since 2×20257125330151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20257125330151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20257125330131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50897299626 + ... + 50897300023.

It is an arithmetic number, because the mean of its divisors is an integer number (5089729982500).

Almost surely, 2^{20257125330151} is an apocalyptic number.

20257125330151 is a deficient number, since it is larger than the sum of its proper divisors (101794599849).

20257125330151 is a wasteful number, since it uses less digits than its factorization.

20257125330151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101794599848.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 20257125330151 in words is "twenty trillion, two hundred fifty-seven billion, one hundred twenty-five million, three hundred thirty thousand, one hundred fifty-one".