20240727531431 has 16 divisors (see below), whose sum is σ = 22088619060480. Its totient is φ = 18394141221120.

The previous prime is 20240727531397. The next prime is 20240727531449. The reversal of 20240727531431 is 13413572704202.

It is a cyclic number.

It is not a de Polignac number, because 20240727531431 - 2³⁴ = 20223547662247 is a prime.

It is a super-2 number, since 2×20240727531431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240727534431) 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, 694278551 + ... + 694307703.

It is an arithmetic number, because the mean of its divisors is an integer number (1380538691280).

Almost surely, 2^{20240727531431} is an apocalyptic number.

20240727531431 is a deficient number, since it is larger than the sum of its proper divisors (1847891529049).

20240727531431 is a wasteful number, since it uses less digits than its factorization.

20240727531431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49366.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 20240727531431 in words is "twenty trillion, two hundred forty billion, seven hundred twenty-seven million, five hundred thirty-one thousand, four hundred thirty-one".