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20028882002 = 253892123053
BaseRepresentation
bin10010101001110100…
…000111110001010010
31220200211212121220112
4102221310013301102
5312004343211002
613111240241322
71306222454663
oct225164076122
956624777815
1020028882002
118548866548
123a6b770242
131b7267aa8c
14d8008336a
157c3573852
hex4a9d07c52

20028882002 has 16 divisors (see below), whose sum is σ = 30954127320. Its totient is φ = 9715085952.

The previous prime is 20028881963. The next prime is 20028882017.

It is a happy number.

20028882002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 19310159521 + 718722481 = 138961^2 + 26809^2 .

It is a super-2 number, since 2×200288820022 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20028882002.

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, 1052093 + ... + 1070960.

Almost surely, 220028882002 is an apocalyptic number.

20028882002 is a deficient number, since it is larger than the sum of its proper divisors (10925245318).

20028882002 is a wasteful number, since it uses less digits than its factorization.

20028882002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123197.

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 20028882002 in words is "twenty billion, twenty-eight million, eight hundred eighty-two thousand, two".

Divisors: 1 2 53 89 106 178 4717 9434 2123053 4246106 112521809 188951717 225043618 377903434 10014441001 20028882002