20032331149 has 2 divisors, whose sum is σ = 20032331150. Its totient is φ = 20032331148.

The previous prime is 20032331113. The next prime is 20032331201. The reversal of 20032331149 is 94113323002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18471528100 + 1560803049 = 135910^2 + 39507^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032331149 - 2²⁷ = 19898113421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032331549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016165574 + 10016165575.

It is an arithmetic number, because the mean of its divisors is an integer number (10016165575).

Almost surely, 2^20032331149 is an apocalyptic number.

It is an amenable number.

20032331149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032331149 is an equidigital number, since it uses as much as digits as its factorization.

20032331149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 20032331149 in words is "twenty billion, thirty-two million, three hundred thirty-one thousand, one hundred forty-nine".