20332233300997 has 2 divisors, whose sum is σ = 20332233300998. Its totient is φ = 20332233300996.

The previous prime is 20332233300989. The next prime is 20332233301027. The reversal of 20332233300997 is 79900333223302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14601768143076 + 5730465157921 = 3821226^2 + 2393839^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332233300997 - 2³ = 20332233300989 is a prime.

It is a super-2 number, since 2×20332233300997² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332233300917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166116650498 + 10166116650499.

It is an arithmetic number, because the mean of its divisors is an integer number (10166116650499).

Almost surely, 2^{20332233300997} is an apocalyptic number.

It is an amenable number.

20332233300997 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332233300997 is an equidigital number, since it uses as much as digits as its factorization.

20332233300997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 46.

The spelling of 20332233300997 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, three hundred thousand, nine hundred ninety-seven".