230120001020 has 96 divisors (see below), whose sum is σ = 596075319168. Its totient is φ = 72669560832.

The previous prime is 230120001011. The next prime is 230120001037. The reversal of 230120001020 is 20100021032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230120000992 and 230120001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693404 + ... + 970076.

It is an arithmetic number, because the mean of its divisors is an integer number (6209117908).

Almost surely, 2^230120001020 is an apocalyptic number.

230120001020 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 230120001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298037659584).

230120001020 is an abundant number, since it is smaller than the sum of its proper divisors (365955318148).

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

230120001020 is a wasteful number, since it uses less digits than its factorization.

230120001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277159 (or 277157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 230120001020 its reverse (20100021032), we get a palindrome (250220022052).

The spelling of 230120001020 in words is "two hundred thirty billion, one hundred twenty million, one thousand, twenty".