20133012431 has 8 divisors (see below), whose sum is σ = 23064074880. Its totient is φ = 17215679448.

The previous prime is 20133012421. The next prime is 20133012451. The reversal of 20133012431 is 13421033102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20133012431 - 2²⁶ = 20065903567 is a prime.

It is a super-2 number, since 2×20133012431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133012421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3429221 + ... + 3435086.

It is an arithmetic number, because the mean of its divisors is an integer number (2883009360).

Almost surely, 2^20133012431 is an apocalyptic number.

20133012431 is a deficient number, since it is larger than the sum of its proper divisors (2931062449).

20133012431 is an equidigital number, since it uses as much as digits as its factorization.

20133012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864733.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20133012431 its reverse (13421033102), we get a palindrome (33554045533).

The spelling of 20133012431 in words is "twenty billion, one hundred thirty-three million, twelve thousand, four hundred thirty-one".