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20101030022 = 279461275969
BaseRepresentation
bin10010101110000111…
…010110000010000110
31220212212122010101102
4102232013112002012
5312131330430042
613122334500102
71311056636033
oct225607260206
956785563342
1020101030022
118585564407
123a8b964632
131b845bc208
14d898a438a
157c9a75b32
hex4ae1d6086

20101030022 has 16 divisors (see below), whose sum is σ = 30599553600. Its totient is φ = 9901731840.

The previous prime is 20101029989. The next prime is 20101030049. The reversal of 20101030022 is 22003010102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20101029985 and 20101030012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65147 + ... + 210822.

It is an arithmetic number, because the mean of its divisors is an integer number (1912472100).

Almost surely, 220101030022 is an apocalyptic number.

20101030022 is a deficient number, since it is larger than the sum of its proper divisors (10498523578).

20101030022 is a wasteful number, since it uses less digits than its factorization.

20101030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276511.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20101030022 its reverse (22003010102), we get a palindrome (42104040124).

The spelling of 20101030022 in words is "twenty billion, one hundred one million, thirty thousand, twenty-two".

Divisors: 1 2 79 158 461 922 36419 72838 275969 551938 21801551 43603102 127221709 254443418 10050515011 20101030022