20830457431 has 8 divisors (see below), whose sum is σ = 23847933824. Its totient is φ = 17823405240.

The previous prime is 20830457423. The next prime is 20830457437. The reversal of 20830457431 is 13475403802.

It is a happy number.

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 20830457431 - 2³ = 20830457423 is a prime.

It is a super-2 number, since 2×20830457431² (a number of 21 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 (20830457437) 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, 2601765 + ... + 2609758.

It is an arithmetic number, because the mean of its divisors is an integer number (2980991728).

Almost surely, 2^20830457431 is an apocalyptic number.

20830457431 is a deficient number, since it is larger than the sum of its proper divisors (3017476393).

20830457431 is an equidigital number, since it uses as much as digits as its factorization.

20830457431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212101.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 20830457431 in words is "twenty billion, eight hundred thirty million, four hundred fifty-seven thousand, four hundred thirty-one".