234401020 has 48 divisors (see below), whose sum is σ = 563609088. Its totient is φ = 80216640.

The previous prime is 234401003. The next prime is 234401021. The reversal of 234401020 is 20104432.

It is a junction number, because it is equal to n+sod(n) for n = 234400985 and 234401003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234401021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95529 + ... + 97951.

It is an arithmetic number, because the mean of its divisors is an integer number (11741856).

Almost surely, 2^234401020 is an apocalyptic number.

234401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234401020 is an abundant number, since it is smaller than the sum of its proper divisors (329208068).

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

234401020 is a wasteful number, since it uses less digits than its factorization.

234401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 234401020 is about 15310.1606784514. The cubic root of 234401020 is about 616.5758340363.

Adding to 234401020 its reverse (20104432), we get a palindrome (254505452).

The spelling of 234401020 in words is "two hundred thirty-four million, four hundred one thousand, twenty".