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20010222122 = 21136711632131
BaseRepresentation
bin10010101000101100…
…111100001000101010
31220122112202121100212
4102220230330020222
5311440104101442
613105332301122
71305605040002
oct225054741052
956575677325
1020010222122
118539281060
123a654717a2
131b6b846627
14d7b7c7002
157c1ad9a82
hex4a8b3c22a

20010222122 has 32 divisors (see below), whose sum is σ = 32876872704. Its totient is φ = 9058719600.

The previous prime is 20010222121. The next prime is 20010222131. The reversal of 20010222122 is 22122201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010222097 and 20010222106.

It is not an unprimeable number, because it can be changed into a prime (20010222121) 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, 9388997 + ... + 9391127.

It is an arithmetic number, because the mean of its divisors is an integer number (1027402272).

Almost surely, 220010222122 is an apocalyptic number.

20010222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010222122 is a deficient number, since it is larger than the sum of its proper divisors (12866650582).

20010222122 is a wasteful number, since it uses less digits than its factorization.

20010222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20010222122 its reverse (22122201002), we get a palindrome (42132423124).

The spelling of 20010222122 in words is "twenty billion, ten million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 11 22 367 734 1163 2131 2326 4037 4262 8074 12793 23441 25586 46882 426821 782077 853642 1564154 2478353 4695031 4956706 8602847 9390062 17205694 27261883 54523766 909555551 1819111102 10005111061 20010222122