20433343001 has 12 divisors (see below), whose sum is σ = 21796901760. Its totient is φ = 19150850880.

The previous prime is 20433342997. The next prime is 20433343003. The reversal of 20433343001 is 10034333402.

It is not a de Polignac number, because 20433343001 - 2² = 20433342997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433343003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78845 + ... + 216986.

It is an arithmetic number, because the mean of its divisors is an integer number (1816408480).

Almost surely, 2^20433343001 is an apocalyptic number.

It is an amenable number.

20433343001 is a deficient number, since it is larger than the sum of its proper divisors (1363558759).

20433343001 is a wasteful number, since it uses less digits than its factorization.

20433343001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296104 (or 296087 counting only the distinct ones).

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

Adding to 20433343001 its reverse (10034333402), we get a palindrome (30467676403).

The spelling of 20433343001 in words is "twenty billion, four hundred thirty-three million, three hundred forty-three thousand, one".