20274355331 has 2 divisors, whose sum is σ = 20274355332. Its totient is φ = 20274355330.

The previous prime is 20274355253. The next prime is 20274355447. The reversal of 20274355331 is 13355347202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20274355331 - 2¹⁸ = 20274093187 is a prime.

It is a super-2 number, since 2×20274355331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20274355291 and 20274355300.

It is not a weakly prime, because it can be changed into another prime (20274355931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137177665 + 10137177666.

It is an arithmetic number, because the mean of its divisors is an integer number (10137177666).

Almost surely, 2^20274355331 is an apocalyptic number.

20274355331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20274355331 is an equidigital number, since it uses as much as digits as its factorization.

20274355331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 20274355331 in words is "twenty billion, two hundred seventy-four million, three hundred fifty-five thousand, three hundred thirty-one".