2355081020 has 24 divisors (see below), whose sum is σ = 4958020368. Its totient is φ = 939680000.

The previous prime is 2355081017. The next prime is 2355081059. The reversal of 2355081020 is 201805532.

It is a super-2 number, since 2×2355081020² = 11092813221528480800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138806 + ... + 154845.

It is an arithmetic number, because the mean of its divisors is an integer number (206584182).

Almost surely, 2^2355081020 is an apocalyptic number.

2355081020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2355081020 is an abundant number, since it is smaller than the sum of its proper divisors (2602939348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2355081020 is a wasteful number, since it uses less digits than its factorization.

2355081020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294061 (or 294059 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2355081020 is about 48529.1769969366. The cubic root of 2355081020 is about 1330.4603942508.

Adding to 2355081020 its reverse (201805532), we get a palindrome (2556886552).

The spelling of 2355081020 in words is "two billion, three hundred fifty-five million, eighty-one thousand, twenty".