216150220 has 48 divisors (see below), whose sum is σ = 533278368. Its totient is φ = 72552960.

The previous prime is 216150203. The next prime is 216150229. The reversal of 216150220 is 22051612.

It is not an unprimeable number, because it can be changed into a prime (216150229) 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, 34929 + ... + 40648.

It is an arithmetic number, because the mean of its divisors is an integer number (11109966).

Almost surely, 2^216150220 is an apocalyptic number.

216150220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216150220 is an abundant number, since it is smaller than the sum of its proper divisors (317128148).

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

216150220 is a wasteful number, since it uses less digits than its factorization.

216150220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75610 (or 75608 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 216150220 is about 14702.0481566345. The cubic root of 216150220 is about 600.1390603605.

The spelling of 216150220 in words is "two hundred sixteen million, one hundred fifty thousand, two hundred twenty".