20223020401 has 2 divisors, whose sum is σ = 20223020402. Its totient is φ = 20223020400.

The previous prime is 20223020393. The next prime is 20223020423. The reversal of 20223020401 is 10402032202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15382200625 + 4840819776 = 124025^2 + 69576^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223020401 - 2³ = 20223020393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20223020471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111510200 + 10111510201.

It is an arithmetic number, because the mean of its divisors is an integer number (10111510201).

Almost surely, 2^20223020401 is an apocalyptic number.

It is an amenable number.

20223020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223020401 is an equidigital number, since it uses as much as digits as its factorization.

20223020401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20223020401 its reverse (10402032202), we get a palindrome (30625052603).

The spelling of 20223020401 in words is "twenty billion, two hundred twenty-three million, twenty thousand, four hundred one".