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20302333012 = 2213230033037
BaseRepresentation
bin10010111010000111…
…010000010001010100
31221101220102101011201
4102322013100101110
5313034344124022
613154325242244
71316052661153
oct227207202124
957356371151
1020302333012
118679157315
123b27263384
131bb7211600
14da850559a
157dc58b127
hex4ba1d0454

20302333012 has 18 divisors (see below), whose sum is σ = 38472321678. Its totient is φ = 9370307232.

The previous prime is 20302332983. The next prime is 20302333031. The reversal of 20302333012 is 21033320302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1055210256 + 19247122756 = 32484^2 + 138734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15015843 + ... + 15017194.

Almost surely, 220302333012 is an apocalyptic number.

It is an amenable number.

20302333012 is a deficient number, since it is larger than the sum of its proper divisors (18169988666).

20302333012 is a wasteful number, since it uses less digits than its factorization.

20302333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30033067 (or 30033052 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20302333012 its reverse (21033320302), we get a palindrome (41335653314).

The spelling of 20302333012 in words is "twenty billion, three hundred two million, three hundred thirty-three thousand, twelve".

Divisors: 1 2 4 13 26 52 169 338 676 30033037 60066074 120132148 390429481 780858962 1561717924 5075583253 10151166506 20302333012