231042020 has 24 divisors (see below), whose sum is σ = 529296768. Its totient is φ = 84015200.

The previous prime is 231042013. The next prime is 231042029. The reversal of 231042020 is 20240132.

231042020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231041986 and 231042004.

It is not an unprimeable number, because it can be changed into a prime (231042029) 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, 524876 + ... + 525315.

It is an arithmetic number, because the mean of its divisors is an integer number (22054032).

Almost surely, 2^231042020 is an apocalyptic number.

231042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231042020 is an abundant number, since it is smaller than the sum of its proper divisors (298254748).

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

231042020 is a wasteful number, since it uses less digits than its factorization.

231042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050211 (or 1050209 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 231042020 is about 15200.0664472232. The cubic root of 231042020 is about 613.6164460393.

Adding to 231042020 its reverse (20240132), we get a palindrome (251282152).

The spelling of 231042020 in words is "two hundred thirty-one million, forty-two thousand, twenty".