2620090431 has 12 divisors (see below), whose sum is σ = 4325228752. Its totient is φ = 1497194496.

The previous prime is 2620090427. The next prime is 2620090453. The reversal of 2620090431 is 1340900262.

2620090431 is a `hidden beast` number, since 2 + 620 + 0 + 9 + 0 + 4 + 31 = 666.

It is not a de Polignac number, because 2620090431 - 2² = 2620090427 is a prime.

It is a super-2 number, since 2×2620090431² = 13729747733235531522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2620090395 and 2620090404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620190431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20794306 + ... + 20794431.

Almost surely, 2^2620090431 is an apocalyptic number.

2620090431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2620090431 is a deficient number, since it is larger than the sum of its proper divisors (1705138321).

2620090431 is a wasteful number, since it uses less digits than its factorization.

2620090431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41588750 (or 41588747 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2620090431 is about 51186.8189185458. The cubic root of 2620090431 is about 1378.6015433059.

Adding to 2620090431 its reverse (1340900262), we get a palindrome (3960990693).

The spelling of 2620090431 in words is "two billion, six hundred twenty million, ninety thousand, four hundred thirty-one".