20074698378331 has 2 divisors, whose sum is σ = 20074698378332. Its totient is φ = 20074698378330.

The previous prime is 20074698378221. The next prime is 20074698378341. The reversal of 20074698378331 is 13387389647002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20074698378331 - 2¹¹ = 20074698376283 is a prime.

It is a super-2 number, since 2×20074698378331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20074698378331.

It is not a weakly prime, because it can be changed into another prime (20074698378341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037349189165 + 10037349189166.

It is an arithmetic number, because the mean of its divisors is an integer number (10037349189166).

Almost surely, 2^{20074698378331} is an apocalyptic number.

20074698378331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20074698378331 is an equidigital number, since it uses as much as digits as its factorization.

20074698378331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 20074698378331 in words is "twenty trillion, seventy-four billion, six hundred ninety-eight million, three hundred seventy-eight thousand, three hundred thirty-one".