20413200433 has 2 divisors, whose sum is σ = 20413200434. Its totient is φ = 20413200432.

The previous prime is 20413200421. The next prime is 20413200469. The reversal of 20413200433 is 33400231402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19665013824 + 748186609 = 140232^2 + 27353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413200433 is a prime.

It is not a weakly prime, because it can be changed into another prime (20413200733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206600216 + 10206600217.

It is an arithmetic number, because the mean of its divisors is an integer number (10206600217).

Almost surely, 2^20413200433 is an apocalyptic number.

It is an amenable number.

20413200433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413200433 is an equidigital number, since it uses as much as digits as its factorization.

20413200433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20413200433 its reverse (33400231402), we get a palindrome (53813431835).

The spelling of 20413200433 in words is "twenty billion, four hundred thirteen million, two hundred thousand, four hundred thirty-three".