229601020 has 48 divisors (see below), whose sum is σ = 527321088. Its totient is φ = 83280960.

The previous prime is 229600981. The next prime is 229601051. The reversal of 229601020 is 20106922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 229600982 and 229601000.

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, 106069 + ... + 108211.

It is an arithmetic number, because the mean of its divisors is an integer number (10985856).

Almost surely, 2^229601020 is an apocalyptic number.

229601020 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 229601020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263660544).

229601020 is an abundant number, since it is smaller than the sum of its proper divisors (297720068).

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

229601020 is a wasteful number, since it uses less digits than its factorization.

229601020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 229601020 is about 15152.5911975477. The cubic root of 229601020 is about 612.3380840925.

Adding to 229601020 its reverse (20106922), we get a palindrome (249707942).

The spelling of 229601020 in words is "two hundred twenty-nine million, six hundred one thousand, twenty".