2820265431 has 8 divisors (see below), whose sum is σ = 3824088960. Its totient is φ = 1848309432.

The previous prime is 2820265411. The next prime is 2820265433. The reversal of 2820265431 is 1345620282.

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

It is a de Polignac number, because none of the positive numbers 2^k-2820265431 is a prime.

It is a super-2 number, since 2×2820265431² = 15907794202587231522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2820265392 and 2820265401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820265433) 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 7 ways as a sum of consecutive naturals, for example, 7966675 + ... + 7967028.

It is an arithmetic number, because the mean of its divisors is an integer number (478011120).

Almost surely, 2^2820265431 is an apocalyptic number.

2820265431 is a deficient number, since it is larger than the sum of its proper divisors (1003823529).

2820265431 is a wasteful number, since it uses less digits than its factorization.

2820265431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933765.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2820265431 is about 53106.1713080504. The cubic root of 2820265431 is about 1412.8519695728.

The spelling of 2820265431 in words is "two billion, eight hundred twenty million, two hundred sixty-five thousand, four hundred thirty-one".