20433033401 has 16 divisors (see below), whose sum is σ = 22420283328. Its totient is φ = 18467635200.

The previous prime is 20433033367. The next prime is 20433033407. The reversal of 20433033401 is 10433033402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20433033401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433033407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894841 + ... + 1905593.

It is an arithmetic number, because the mean of its divisors is an integer number (1401267708).

Almost surely, 2^20433033401 is an apocalyptic number.

It is an amenable number.

20433033401 is a deficient number, since it is larger than the sum of its proper divisors (1987249927).

20433033401 is a wasteful number, since it uses less digits than its factorization.

20433033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20433033401 its reverse (10433033402), we get a palindrome (30866066803).

Subtracting from 20433033401 its reverse (10433033402), we obtain a palindrome (9999999999).

The spelling of 20433033401 in words is "twenty billion, four hundred thirty-three million, thirty-three thousand, four hundred one".