20733327401 has 2 divisors, whose sum is σ = 20733327402. Its totient is φ = 20733327400.

The previous prime is 20733327397. The next prime is 20733327427. The reversal of 20733327401 is 10472333702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17732917225 + 3000410176 = 133165^2 + 54776^2 .

It is a cyclic number.

It is not a de Polignac number, because 20733327401 - 2² = 20733327397 is a prime.

It is not a weakly prime, because it can be changed into another prime (20733327451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10366663700 + 10366663701.

It is an arithmetic number, because the mean of its divisors is an integer number (10366663701).

Almost surely, 2^20733327401 is an apocalyptic number.

It is an amenable number.

20733327401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20733327401 is an equidigital number, since it uses as much as digits as its factorization.

20733327401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 20733327401 in words is "twenty billion, seven hundred thirty-three million, three hundred twenty-seven thousand, four hundred one".