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20201112002 = 2171217488209
BaseRepresentation
bin10010110100000101…
…001000000111000010
31221010211221211001102
4102310011020013002
5312332441041002
613140311534402
71313413422161
oct226405100702
957124854042
1020201112002
118627001495
123ab938a402
131b9c261116
14d98cb73d8
157d3744a02
hex4b41481c2

20201112002 has 16 divisors (see below), whose sum is σ = 32110548120. Its totient is φ = 9498574848.

The previous prime is 20201111989. The next prime is 20201112007. The reversal of 20201112002 is 20021110202.

It is a happy number.

20201112002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20169964441 + 31147561 = 142021^2 + 5581^2 .

It is a super-2 number, since 2×202011120022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202727 + ... + 285482.

Almost surely, 220201112002 is an apocalyptic number.

20201112002 is a deficient number, since it is larger than the sum of its proper divisors (11909436118).

20201112002 is a wasteful number, since it uses less digits than its factorization.

20201112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489445.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201112002 its reverse (20021110202), we get a palindrome (40222222204).

The spelling of 20201112002 in words is "twenty billion, two hundred one million, one hundred twelve thousand, two".

Divisors: 1 2 17 34 1217 2434 20689 41378 488209 976418 8299553 16599106 594150353 1188300706 10100556001 20201112002