2231342020 has 12 divisors (see below), whose sum is σ = 4685818284. Its totient is φ = 892536800.

The previous prime is 2231342011. The next prime is 2231342053. The reversal of 2231342020 is 202431322.

It can be written as a sum of positive squares in 2 ways, for example, as 1268356996 + 962985024 = 35614^2 + 31032^2 .

It is a super-3 number, since 3×2231342020³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55783531 + ... + 55783570.

It is an arithmetic number, because the mean of its divisors is an integer number (390484857).

Almost surely, 2^2231342020 is an apocalyptic number.

2231342020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231342020 is an abundant number, since it is smaller than the sum of its proper divisors (2454476264).

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

2231342020 is a wasteful number, since it uses less digits than its factorization.

2231342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111567110 (or 111567108 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2231342020 is about 47237.0831021561. The cubic root of 2231342020 is about 1306.7385839854.

Adding to 2231342020 its reverse (202431322), we get a palindrome (2433773342).

The spelling of 2231342020 in words is "two billion, two hundred thirty-one million, three hundred forty-two thousand, twenty".