20132233401 has 32 divisors (see below), whose sum is σ = 31195929600. Its totient is φ = 11311410240.

The previous prime is 20132233397. The next prime is 20132233417. The reversal of 20132233401 is 10433223102.

It is not a de Polignac number, because 20132233401 - 2² = 20132233397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20132233441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266290 + ... + 333428.

It is an arithmetic number, because the mean of its divisors is an integer number (974872800).

Almost surely, 2^20132233401 is an apocalyptic number.

20132233401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20132233401 is a deficient number, since it is larger than the sum of its proper divisors (11063696199).

20132233401 is a wasteful number, since it uses less digits than its factorization.

20132233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67389.

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

Adding to 20132233401 its reverse (10433223102), we get a palindrome (30565456503).

The spelling of 20132233401 in words is "twenty billion, one hundred thirty-two million, two hundred thirty-three thousand, four hundred one".