229200120720 has 400 divisors, whose sum is σ = 837266411520. Its totient is φ = 57997513728.

The previous prime is 229200120707. The next prime is 229200120791. The reversal of 229200120720 is 27021002922.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18922026 + ... + 18934134.

Almost surely, 2^229200120720 is an apocalyptic number.

229200120720 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 229200120720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418633205760).

229200120720 is an abundant number, since it is smaller than the sum of its proper divisors (608066290800).

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

229200120720 is a wasteful number, since it uses less digits than its factorization.

229200120720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12284 (or 12269 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 229200120720 in words is "two hundred twenty-nine billion, two hundred million, one hundred twenty thousand, seven hundred twenty".