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20436245276 = 2217472924477
BaseRepresentation
bin10011000010000110…
…000101101100011100
31221202020101211021012
4103002012011230130
5313323134322101
613215511354352
71322300135006
oct230206055434
957666354235
1020436245276
118737800607
123b640829b8
131c08b99a35
14dbc203376
157e91ddbbb
hex4c2185b1c

20436245276 has 12 divisors (see below), whose sum is σ = 35783912808. Its totient is φ = 10212270192.

The previous prime is 20436245267. The next prime is 20436245339. The reversal of 20436245276 is 67254263402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455251 + ... + 1469226.

It is an arithmetic number, because the mean of its divisors is an integer number (2981992734).

Almost surely, 220436245276 is an apocalyptic number.

It is an amenable number.

20436245276 is a deficient number, since it is larger than the sum of its proper divisors (15347667532).

20436245276 is a wasteful number, since it uses less digits than its factorization.

20436245276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926228 (or 2926226 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 20436245276 in words is "twenty billion, four hundred thirty-six million, two hundred forty-five thousand, two hundred seventy-six".

Divisors: 1 2 4 1747 3494 6988 2924477 5848954 11697908 5109061319 10218122638 20436245276