Search a number
-
+
20012333412 = 22337251179573
BaseRepresentation
bin10010101000110100…
…111111100101100100
31220122200201212111210
4102220310333211210
5311441124132122
613105445431420
71305632012241
oct225064774544
956580655453
1020012333412
11853a493325
123a6610b570
131b6c105606
14d7bbb65c8
157c1da540c
hex4a8d3f964

20012333412 has 48 divisors (see below), whose sum is σ = 48148817472. Its totient is φ = 6464592000.

The previous prime is 20012333389. The next prime is 20012333447. The reversal of 20012333412 is 21433321002.

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, 21658 + ... + 201230.

It is an arithmetic number, because the mean of its divisors is an integer number (1003100364).

Almost surely, 220012333412 is an apocalyptic number.

It is an amenable number.

20012333412 is an abundant number, since it is smaller than the sum of its proper divisors (28136484060).

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

20012333412 is a wasteful number, since it uses less digits than its factorization.

20012333412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179868 (or 179866 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20012333412 its reverse (21433321002), we get a palindrome (41445654414).

The spelling of 20012333412 in words is "twenty billion, twelve million, three hundred thirty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 251 444 502 753 1004 1506 3012 9287 18574 27861 37148 55722 111444 179573 359146 538719 718292 1077438 2154876 6644201 13288402 19932603 26576804 39865206 45072823 79730412 90145646 135218469 180291292 270436938 540873876 1667694451 3335388902 5003083353 6670777804 10006166706 20012333412