20423332232001 has 12 divisors (see below), whose sum is σ = 29505712153060. Its totient is φ = 13613088648960.

The previous prime is 20423332231931. The next prime is 20423332232021. The reversal of 20423332232001 is 10023223332402.

20423332232001 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 3 + 332 + 2 + 320 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13874313830976 + 6549018401025 = 3724824^2 + 2559105^2 .

It is not a de Polignac number, because 20423332232001 - 2⁷ = 20423332231873 is a prime.

It is a super-2 number, since 2×20423332232001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20423332232021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205461916 + ... + 205561293.

Almost surely, 2^{20423332232001} is an apocalyptic number.

It is an amenable number.

20423332232001 is a deficient number, since it is larger than the sum of its proper divisors (9082379921059).

20423332232001 is a wasteful number, since it uses less digits than its factorization.

20423332232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411028736 (or 411028733 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20423332232001 its reverse (10023223332402), we get a palindrome (30446555564403).

The spelling of 20423332232001 in words is "twenty trillion, four hundred twenty-three billion, three hundred thirty-two million, two hundred thirty-two thousand, one".