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20012202001 = 1117532019191
BaseRepresentation
bin10010101000110100…
…011111100000010001
31220122200111012020201
4102220310133200101
5311441110431001
613105442535201
71305630624151
oct225064374021
956580435221
1020012202001
11853a403620
123a66067501
131b6c08a85c
14d7bb80761
157c1d7b501
hex4a8d1f811

20012202001 has 16 divisors (see below), whose sum is σ = 23551855488. Its totient is φ = 16799660800.

The previous prime is 20012201983. The next prime is 20012202011. The reversal of 20012202001 is 10020221002.

It is a cyclic number.

It is not a de Polignac number, because 20012202001 - 27 = 20012201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012202011) 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, 999685 + ... + 1019506.

It is an arithmetic number, because the mean of its divisors is an integer number (1471990968).

Almost surely, 220012202001 is an apocalyptic number.

It is an amenable number.

20012202001 is a deficient number, since it is larger than the sum of its proper divisors (3539653487).

20012202001 is a wasteful number, since it uses less digits than its factorization.

20012202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019272.

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

Adding to 20012202001 its reverse (10020221002), we get a palindrome (30032423003).

The spelling of 20012202001 in words is "twenty billion, twelve million, two hundred two thousand, one".

Divisors: 1 11 17 53 187 583 901 9911 2019191 22211101 34326247 107017123 377588717 1177188353 1819291091 20012202001