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20022031133 = 132432755199
BaseRepresentation
bin10010101001011001…
…111111001100011101
31220200100222120021122
4102221121333030131
5312001114444013
613110433340325
71306110312416
oct225131771435
956610876248
1020022031133
118544a07375
123a694076a5
131b7111c700
14d7d1bc80d
157c2b6da08
hex4a967f31d

20022031133 has 12 divisors (see below), whose sum is σ = 22184870400. Its totient is φ = 18052057296.

The previous prime is 20022031123. The next prime is 20022031151. The reversal of 20022031133 is 33113022002.

It is not a de Polignac number, because 20022031133 - 28 = 20022030877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022031103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1370333 + ... + 1384866.

It is an arithmetic number, because the mean of its divisors is an integer number (1848739200).

Almost surely, 220022031133 is an apocalyptic number.

It is an amenable number.

20022031133 is a deficient number, since it is larger than the sum of its proper divisors (2162839267).

20022031133 is a wasteful number, since it uses less digits than its factorization.

20022031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755268 (or 2755255 counting only the distinct ones).

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

Adding to 20022031133 its reverse (33113022002), we get a palindrome (53135053135).

The spelling of 20022031133 in words is "twenty billion, twenty-two million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 13 43 169 559 7267 2755199 35817587 118473557 465628631 1540156241 20022031133