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2120001330 = 23575419371
BaseRepresentation
bin111111001011100…
…1010011100110010
312110202011020002210
41332113022130302
513320210020310
6550210552550
7103351466616
oct17627123462
95422136083
102120001330
1199875a417
124b1b98756
1327a2a1a75
141617b5346
15c61b8820
hex7e5ca732

2120001330 has 32 divisors (see below), whose sum is σ = 5089220928. Its totient is φ = 565198400.

The previous prime is 2120001319. The next prime is 2120001343. The reversal of 2120001330 is 331000212.

It is a happy number.

It is a Curzon 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, 221545 + ... + 230915.

It is an arithmetic number, because the mean of its divisors is an integer number (159038154).

Almost surely, 22120001330 is an apocalyptic number.

2120001330 is an abundant number, since it is smaller than the sum of its proper divisors (2969219598).

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

2120001330 is a wasteful number, since it uses less digits than its factorization.

2120001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2120001330 is about 46043.4721757602. The cubic root of 2120001330 is about 1284.6319263539.

Adding to 2120001330 its reverse (331000212), we get a palindrome (2451001542).

The spelling of 2120001330 in words is "two billion, one hundred twenty million, one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7541 9371 15082 18742 22623 28113 37705 45246 46855 56226 75410 93710 113115 140565 226230 281130 70666711 141333422 212000133 353333555 424000266 706667110 1060000665 2120001330