234312020 has 48 divisors (see below), whose sum is σ = 523127808. Its totient is φ = 87851520.

The previous prime is 234312019. The next prime is 234312049. The reversal of 234312020 is 20213432.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 234312020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90869 + ... + 93411.

It is an arithmetic number, because the mean of its divisors is an integer number (10898496).

Almost surely, 2^234312020 is an apocalyptic number.

234312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234312020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261563904).

234312020 is an abundant number, since it is smaller than the sum of its proper divisors (288815788).

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

234312020 is a wasteful number, since it uses less digits than its factorization.

234312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 234312020 is about 15307.2538360086. The cubic root of 234312020 is about 616.4977880223.

Adding to 234312020 its reverse (20213432), we get a palindrome (254525452).

The spelling of 234312020 in words is "two hundred thirty-four million, three hundred twelve thousand, twenty".