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220420200 = 2335271113367
BaseRepresentation
bin11010010001101…
…01100001101000
3120100202111200010
431020311201220
5422411421300
633512211520
75314353330
oct1510654150
9510674603
10220420200
1110346aa60
1261999ba0
1336886a70
14213ba0c0
151453ea50
hexd235868

220420200 has 384 divisors, whose sum is σ = 919941120. Its totient is φ = 42163200.

The previous prime is 220420169. The next prime is 220420219. The reversal of 220420200 is 2024022.

It is a happy number.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 600417 + ... + 600783.

It is an arithmetic number, because the mean of its divisors is an integer number (2395680).

Almost surely, 2220420200 is an apocalyptic number.

220420200 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 220420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459970560).

220420200 is an abundant number, since it is smaller than the sum of its proper divisors (699520920).

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

220420200 is a wasteful number, since it uses less digits than its factorization.

220420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220420200 is about 14846.5551559949. Note that the first 3 decimals coincide. The cubic root of 220420200 is about 604.0651728572.

Adding to 220420200 its reverse (2024022), we get a palindrome (222444222).

The spelling of 220420200 in words is "two hundred twenty million, four hundred twenty thousand, two hundred".