20324274151 has 4 divisors (see below), whose sum is σ = 20347935400. Its totient is φ = 20300612904.

The previous prime is 20324274133. The next prime is 20324274211. The reversal of 20324274151 is 15147242302.

It is a happy number.

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 20324274151 - 2⁹ = 20324273639 is a prime.

It is a super-2 number, since 2×20324274151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324274101) 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, 11829336 + ... + 11831053.

It is an arithmetic number, because the mean of its divisors is an integer number (5086983850).

Almost surely, 2^20324274151 is an apocalyptic number.

20324274151 is a deficient number, since it is larger than the sum of its proper divisors (23661249).

20324274151 is an equidigital number, since it uses as much as digits as its factorization.

20324274151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23661248.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20324274151 in words is "twenty billion, three hundred twenty-four million, two hundred seventy-four thousand, one hundred fifty-one".