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20102022022 = 210051011011
BaseRepresentation
bin10010101110001011…
…001000001110000110
31220212221111112011011
4102232023020032012
5312132104201042
613122412032434
71311101240125
oct225613101606
956787445134
1020102022022
118586081745
123a9016271a
131b848788b4
14d89a81abc
157c9bbea17
hex4ae2c8386

20102022022 has 4 divisors (see below), whose sum is σ = 30153033036. Its totient is φ = 10051011010.

The previous prime is 20102022019. The next prime is 20102022023. The reversal of 20102022022 is 22022020102.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20102021993 and 20102022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102022023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025505504 + ... + 5025505507.

It is an arithmetic number, because the mean of its divisors is an integer number (7538258259).

Almost surely, 220102022022 is an apocalyptic number.

20102022022 is a deficient number, since it is larger than the sum of its proper divisors (10051011014).

20102022022 is a wasteful number, since it uses less digits than its factorization.

20102022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051011013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20102022022 its reverse (22022020102), we get a palindrome (42124042124).

The spelling of 20102022022 in words is "twenty billion, one hundred two million, twenty-two thousand, twenty-two".

Divisors: 1 2 10051011011 20102022022