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20875263044 = 227966060959
BaseRepresentation
bin10011011100010000…
…110011110001000100
31222212211111020102112
4103130100303301010
5320223031404134
613331233200152
71336210544126
oct233420636104
958784436375
1020875263044
1189425a6109
124067100058
131c78b1ca6c
141020643216
15822a0d1ce
hex4dc433c44

20875263044 has 12 divisors (see below), whose sum is σ = 36994137600. Its totient is φ = 10305509448.

The previous prime is 20875263029. The next prime is 20875263049. The reversal of 20875263044 is 44036257802.

It is a junction number, because it is equal to n+sod(n) for n = 20875262992 and 20875263010.

It is not an unprimeable number, because it can be changed into a prime (20875263049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33030164 + ... + 33030795.

It is an arithmetic number, because the mean of its divisors is an integer number (3082844800).

Almost surely, 220875263044 is an apocalyptic number.

It is an amenable number.

20875263044 is a deficient number, since it is larger than the sum of its proper divisors (16118874556).

20875263044 is a wasteful number, since it uses less digits than its factorization.

20875263044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66061042 (or 66061040 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 20875263044 in words is "twenty billion, eight hundred seventy-five million, two hundred sixty-three thousand, forty-four".

Divisors: 1 2 4 79 158 316 66060959 132121918 264243836 5218815761 10437631522 20875263044