20235452452431 has 32 divisors (see below), whose sum is σ = 28008624123648. Its totient is φ = 12985518792960.

The previous prime is 20235452452379. The next prime is 20235452452459. The reversal of 20235452452431 is 13425425453202.

It is not a de Polignac number, because 20235452452431 - 2⁶ = 20235452452367 is a prime.

It is a super-2 number, since 2×20235452452431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235452454431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6419020 + ... + 9037406.

It is an arithmetic number, because the mean of its divisors is an integer number (875269503864).

Almost surely, 2^{20235452452431} is an apocalyptic number.

20235452452431 is a deficient number, since it is larger than the sum of its proper divisors (7773171671217).

20235452452431 is a wasteful number, since it uses less digits than its factorization.

20235452452431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619271.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 20235452452431 in words is "twenty trillion, two hundred thirty-five billion, four hundred fifty-two million, four hundred fifty-two thousand, four hundred thirty-one".