20332233292949 has 2 divisors, whose sum is σ = 20332233292950. Its totient is φ = 20332233292948.

The previous prime is 20332233292937. The next prime is 20332233293033. The reversal of 20332233292949 is 94929233223302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15640893890449 + 4691339402500 = 3954857^2 + 2165950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332233292949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20332233292949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332233292909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166116646474 + 10166116646475.

It is an arithmetic number, because the mean of its divisors is an integer number (10166116646475).

Almost surely, 2^{20332233292949} is an apocalyptic number.

It is an amenable number.

20332233292949 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332233292949 is an equidigital number, since it uses as much as digits as its factorization.

20332233292949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 53.

The spelling of 20332233292949 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, two hundred ninety-two thousand, nine hundred forty-nine".