20674374029 has 2 divisors, whose sum is σ = 20674374030. Its totient is φ = 20674374028.

The previous prime is 20674374011. The next prime is 20674374047. The reversal of 20674374029 is 92047347602.

It is a balanced prime because it is at equal distance from previous prime (20674374011) and next prime (20674374047).

It can be written as a sum of positive squares in only one way, i.e., 17403677929 + 3270696100 = 131923^2 + 57190^2 .

It is a cyclic number.

It is not a de Polignac number, because 20674374029 - 2³² = 16379406733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20674374059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10337187014 + 10337187015.

It is an arithmetic number, because the mean of its divisors is an integer number (10337187015).

Almost surely, 2^20674374029 is an apocalyptic number.

It is an amenable number.

20674374029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20674374029 is an equidigital number, since it uses as much as digits as its factorization.

20674374029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 20674374029 in words is "twenty billion, six hundred seventy-four million, three hundred seventy-four thousand, twenty-nine".