20133223401 has 16 divisors (see below), whose sum is σ = 27575553024. Its totient is φ = 13056672384.

The previous prime is 20133223387. The next prime is 20133223421. The reversal of 20133223401 is 10432233102.

It is not a de Polignac number, because 20133223401 - 2⁶ = 20133223337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20133223421) 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, 611896 + ... + 643958.

It is an arithmetic number, because the mean of its divisors is an integer number (1723472064).

Almost surely, 2^20133223401 is an apocalyptic number.

It is an amenable number.

20133223401 is a deficient number, since it is larger than the sum of its proper divisors (7442329623).

20133223401 is a wasteful number, since it uses less digits than its factorization.

20133223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37760.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133223401 its reverse (10432233102), we get a palindrome (30565456503).

The spelling of 20133223401 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-three thousand, four hundred one".