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20020201332 = 22313721121591
BaseRepresentation
bin10010101001010011…
…000000011101110100
31220200020112121021020
4102221103000131310
5312000132420312
613110330221140
71306055621625
oct225123003564
956606477236
1020020201332
11854397763a
123a688847b0
131b7092b8a1
14d7cc63a4c
157c290b78c
hex4a94c0774

20020201332 has 24 divisors (see below), whose sum is σ = 46717591872. Its totient is φ = 6672859200.

The previous prime is 20020201321. The next prime is 20020201337. The reversal of 20020201332 is 23310202002.

It is a super-2 number, since 2×200202013322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020201337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103857 + ... + 225447.

It is an arithmetic number, because the mean of its divisors is an integer number (1946566328).

Almost surely, 220020201332 is an apocalyptic number.

It is an amenable number.

20020201332 is an abundant number, since it is smaller than the sum of its proper divisors (26697390540).

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

20020201332 is a wasteful number, since it uses less digits than its factorization.

20020201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135319 (or 135317 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20020201332 its reverse (23310202002), we get a palindrome (43330403334).

The spelling of 20020201332 in words is "twenty billion, twenty million, two hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 13721 27442 41163 54884 82326 121591 164652 243182 364773 486364 729546 1459092 1668350111 3336700222 5005050333 6673400444 10010100666 20020201332