20401024233 has 16 divisors (see below), whose sum is σ = 29231323200. Its totient is φ = 12609586176.

The previous prime is 20401024229. The next prime is 20401024247. The reversal of 20401024233 is 33242010402.

It is not a de Polignac number, because 20401024233 - 2² = 20401024229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20401024213) 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, 2981808 + ... + 2988641.

It is an arithmetic number, because the mean of its divisors is an integer number (1826957700).

Almost surely, 2^20401024233 is an apocalyptic number.

It is an amenable number.

20401024233 is a deficient number, since it is larger than the sum of its proper divisors (8830298967).

20401024233 is a wasteful number, since it uses less digits than its factorization.

20401024233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970536.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20401024233 its reverse (33242010402), we get a palindrome (53643034635).

The spelling of 20401024233 in words is "twenty billion, four hundred one million, twenty-four thousand, two hundred thirty-three".