101230220 has 48 divisors (see below), whose sum is σ = 261645888. Its totient is φ = 32037120.

The previous prime is 101230219. The next prime is 101230229. The reversal of 101230220 is 22032101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101230229) 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, 25991 + ... + 29630.

It is an arithmetic number, because the mean of its divisors is an integer number (5450956).

Almost surely, 2^101230220 is an apocalyptic number.

101230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101230220 is an abundant number, since it is smaller than the sum of its proper divisors (160415668).

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

101230220 is a wasteful number, since it uses less digits than its factorization.

101230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55650 (or 55648 counting only the distinct ones).

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

The square root of 101230220 is about 10061.3229746391. The cubic root of 101230220 is about 466.0545227762.

Adding to 101230220 its reverse (22032101), we get a palindrome (123262321).

The spelling of 101230220 in words is "one hundred one million, two hundred thirty thousand, two hundred twenty".