20013283049 has 2 divisors, whose sum is σ = 20013283050. Its totient is φ = 20013283048.

The previous prime is 20013283007. The next prime is 20013283067. The reversal of 20013283049 is 94038231002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19925298649 + 87984400 = 141157^2 + 9380^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013283049 - 2²⁸ = 19744847593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013283249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006641524 + 10006641525.

It is an arithmetic number, because the mean of its divisors is an integer number (10006641525).

Almost surely, 2^20013283049 is an apocalyptic number.

It is an amenable number.

20013283049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013283049 is an equidigital number, since it uses as much as digits as its factorization.

20013283049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 20013283049 in words is "twenty billion, thirteen million, two hundred eighty-three thousand, forty-nine".