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20020222011 = 356312319629
BaseRepresentation
bin10010101001010011…
…000101100000111011
31220200020120122122010
4102221103011200323
5312000134101021
613110330501003
71306056036126
oct225123054073
956606518563
1020020222011
118543991129
123a68894763
131b7093811a
14d7cc6b3bd
157c2912976
hex4a94c583b

20020222011 has 16 divisors (see below), whose sum is σ = 26765544960. Its totient is φ = 13310902560.

The previous prime is 20020221979. The next prime is 20020222049. The reversal of 20020222011 is 11022202002.

It is not a de Polignac number, because 20020222011 - 25 = 20020221979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020222111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074345 + ... + 2083973.

It is an arithmetic number, because the mean of its divisors is an integer number (1672846560).

Almost surely, 220020222011 is an apocalyptic number.

20020222011 is a deficient number, since it is larger than the sum of its proper divisors (6745322949).

20020222011 is a wasteful number, since it uses less digits than its factorization.

20020222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020222011 its reverse (11022202002), we get a palindrome (31042424013).

The spelling of 20020222011 in words is "twenty billion, twenty million, two hundred twenty-two thousand, eleven".

Divisors: 1 3 563 1231 1689 3693 9629 28887 693053 2079159 5421127 11853299 16263381 35559897 6673407337 20020222011