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20022330132 = 2232779453691
BaseRepresentation
bin10010101001011011…
…001000001100010100
31220200101112202102200
4102221123020030110
5312001204031012
613110444004500
71306112666220
oct225133101424
956611482380
1020022330132
1185450a0a82
123a69530730
131b711c582c
14d7d259780
157c2bcc3dc
hex4a96c8314

20022330132 has 36 divisors (see below), whose sum is σ = 57842287776. Its totient is φ = 5720665680.

The previous prime is 20022330121. The next prime is 20022330149. The reversal of 20022330132 is 23103322002.

It is a happy number.

20022330132 is a `hidden beast` number, since 200 + 2 + 2 + 330 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39726594 + ... + 39727097.

It is an arithmetic number, because the mean of its divisors is an integer number (1606730216).

Almost surely, 220022330132 is an apocalyptic number.

It is an amenable number.

20022330132 is an abundant number, since it is smaller than the sum of its proper divisors (37819957644).

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

20022330132 is a wasteful number, since it uses less digits than its factorization.

20022330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79453708 (or 79453703 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20022330132 its reverse (23103322002), we get a palindrome (43125652134).

The spelling of 20022330132 in words is "twenty billion, twenty-two million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 79453691 158907382 238361073 317814764 476722146 556175837 715083219 953444292 1112351674 1430166438 1668527511 2224703348 2860332876 3337055022 5005582533 6674110044 10011165066 20022330132