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220332030 = 23520993499
BaseRepresentation
bin11010010000111…
…11111111111110
3120100121000201120
431020133333332
5422401111110
633510251410
75313535302
oct1510377776
9510530646
10220332030
1110340a796
1261956b66
13368558a9
1421395d02
1514523870
hexd21fffe

220332030 has 32 divisors (see below), whose sum is σ = 529200000. Its totient is φ = 58710432.

The previous prime is 220332017. The next prime is 220332041. The reversal of 220332030 is 30233022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 61221 + ... + 64719.

It is an arithmetic number, because the mean of its divisors is an integer number (16537500).

Almost surely, 2220332030 is an apocalyptic number.

220332030 is an abundant number, since it is smaller than the sum of its proper divisors (308867970).

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

220332030 is a wasteful number, since it uses less digits than its factorization.

220332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 220332030 is about 14843.5854832988. The cubic root of 220332030 is about 603.9846183385.

Adding to 220332030 its reverse (30233022), we get a palindrome (250565052).

The spelling of 220332030 in words is "two hundred twenty million, three hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 2099 3499 4198 6297 6998 10495 10497 12594 17495 20990 20994 31485 34990 52485 62970 104970 7344401 14688802 22033203 36722005 44066406 73444010 110166015 220332030