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20267236970 = 2517119219041
BaseRepresentation
bin10010111000000001…
…010111111001101010
31221022110101022110022
4102320001113321222
5313001403040340
613151033120442
71315145446301
oct227001277152
957273338408
1020267236970
118660366122
123b17559122
131bacb73c16
14da39ab438
157d94573b5
hex4b8057e6a

20267236970 has 16 divisors (see below), whose sum is σ = 38626969608. Its totient is φ = 7630018560.

The previous prime is 20267236963. The next prime is 20267237017. The reversal of 20267236970 is 7963276202.

It can be written as a sum of positive squares in 4 ways, for example, as 20261529649 + 5707321 = 142343^2 + 2389^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59609351 + ... + 59609690.

Almost surely, 220267236970 is an apocalyptic number.

20267236970 is a deficient number, since it is larger than the sum of its proper divisors (18359732638).

20267236970 is a wasteful number, since it uses less digits than its factorization.

20267236970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119219065.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 20267236970 in words is "twenty billion, two hundred sixty-seven million, two hundred thirty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 119219041 238438082 596095205 1192190410 2026723697 4053447394 10133618485 20267236970