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233320020 = 223525715131
BaseRepresentation
bin11011110100000…
…10111001010100
3121021000212220020
431322002321110
5434212220040
635052505140
75532121203
oct1572027124
9537025806
10233320020
1110a78086a
126617b1b0
13394524ab
1422db723a
151573bcd0
hexde82e54

233320020 has 48 divisors (see below), whose sum is σ = 655881408. Its totient is φ = 61972480.

The previous prime is 233320013. The next prime is 233320033. The reversal of 233320020 is 20023332.

233320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7855 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (13664196).

Almost surely, 2233320020 is an apocalyptic number.

233320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233320020 is an abundant number, since it is smaller than the sum of its proper divisors (422561388).

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

233320020 is a wasteful number, since it uses less digits than its factorization.

233320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400 (or 15398 counting only the distinct ones).

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

The square root of 233320020 is about 15274.8165291764. The cubic root of 233320020 is about 615.6265410734.

Adding to 233320020 its reverse (20023332), we get a palindrome (253343352).

The spelling of 233320020 in words is "two hundred thirty-three million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 257 514 771 1028 1285 1542 2570 3084 3855 5140 7710 15131 15420 30262 45393 60524 75655 90786 151310 181572 226965 302620 453930 907860 3888667 7777334 11666001 15554668 19443335 23332002 38886670 46664004 58330005 77773340 116660010 233320020