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2120133320 = 23553003333
BaseRepresentation
bin111111001011110…
…1010101011001000
312110202101221011022
41332113222223020
513320223231240
6550213452012
7103352556464
oct17627525310
95422357138
102120133320
1199883a5a8
124b2041008
1327a319b76
1416180b4a4
15c61e29b5
hex7e5eaac8

2120133320 has 16 divisors (see below), whose sum is σ = 4770300060. Its totient is φ = 848053312.

The previous prime is 2120133313. The next prime is 2120133383. The reversal of 2120133320 is 233310212.

It can be written as a sum of positive squares in 2 ways, for example, as 2023740196 + 96393124 = 44986^2 + 9818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26501627 + ... + 26501706.

Almost surely, 22120133320 is an apocalyptic number.

2120133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120133320 is an abundant number, since it is smaller than the sum of its proper divisors (2650166740).

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

2120133320 is a wasteful number, since it uses less digits than its factorization.

2120133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003344 (or 53003340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2120133320 is about 46044.9054728099. The cubic root of 2120133320 is about 1284.6585859362.

Adding to 2120133320 its reverse (233310212), we get a palindrome (2353443532).

The spelling of 2120133320 in words is "two billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53003333 106006666 212013332 265016665 424026664 530033330 1060066660 2120133320