Search a number
-
+
20011200022 = 2115023181087
BaseRepresentation
bin10010101000110000…
…101010111000010110
31220122121121021210101
4102220300222320112
5311440331400042
613105405244314
71305616252012
oct225060527026
956577537711
1020011200022
118539889840
123a6586369a
131b6bac9778
14d7b99d542
157c1c2e6b7
hex4a8c2ae16

20011200022 has 16 divisors (see below), whose sum is σ = 32752300032. Its totient is φ = 9094138920.

The previous prime is 20011199981. The next prime is 20011200031. The reversal of 20011200022 is 22000211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011199981 and 20011200008.

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, 19963 + ... + 201049.

It is an arithmetic number, because the mean of its divisors is an integer number (2047018752).

Almost surely, 220011200022 is an apocalyptic number.

20011200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011200022 is a deficient number, since it is larger than the sum of its proper divisors (12741100010).

20011200022 is a wasteful number, since it uses less digits than its factorization.

20011200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186123.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20011200022 its reverse (22000211002), we get a palindrome (42011411024).

The spelling of 20011200022 in words is "twenty billion, eleven million, two hundred thousand, twenty-two".

Divisors: 1 2 11 22 5023 10046 55253 110506 181087 362174 1991957 3983914 909600001 1819200002 10005600011 20011200022