1230200220 has 48 divisors (see below), whose sum is σ = 3625856640. Its totient is φ = 310787136.

The previous prime is 1230200183. The next prime is 1230200243. The reversal of 1230200220 is 220020321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1230200196 and 1230200205.

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, 538422 + ... + 540701.

It is an arithmetic number, because the mean of its divisors is an integer number (75538680).

Almost surely, 2^1230200220 is an apocalyptic number.

1230200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230200220 is an abundant number, since it is smaller than the sum of its proper divisors (2395656420).

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

1230200220 is a wasteful number, since it uses less digits than its factorization.

1230200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079154 (or 1079152 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1230200220 is about 35074.2101835522. The cubic root of 1230200220 is about 1071.4994031141.

Adding to 1230200220 its reverse (220020321), we get a palindrome (1450220541).

The spelling of 1230200220 in words is "one billion, two hundred thirty million, two hundred thousand, two hundred twenty".