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20045010525 = 3521373194659
BaseRepresentation
bin10010101010110001…
…101001011001011101
31220201222020001002020
4102222301221121131
5312023010314100
613113014050353
71306506530631
oct225261513135
956658201066
1020045010525
118556982101
123a750499b9
131b75b06c97
14d82280dc1
157c4bac5a0
hex4aac6965d

20045010525 has 24 divisors (see below), whose sum is σ = 33165392160. Its totient is φ = 10682831040.

The previous prime is 20045010523. The next prime is 20045010541. The reversal of 20045010525 is 52501054002.

It is a happy number.

It is not a de Polignac number, because 20045010525 - 21 = 20045010523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20045010495 and 20045010504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045010523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5646 + ... + 200304.

It is an arithmetic number, because the mean of its divisors is an integer number (1381891340).

Almost surely, 220045010525 is an apocalyptic number.

20045010525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20045010525 is a deficient number, since it is larger than the sum of its proper divisors (13120381635).

20045010525 is a wasteful number, since it uses less digits than its factorization.

20045010525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196045 (or 196040 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 20045010525 its reverse (52501054002), we get a palindrome (72546064527).

The spelling of 20045010525 in words is "twenty billion, forty-five million, ten thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 1373 4119 6865 20595 34325 102975 194659 583977 973295 2919885 4866475 14599425 267266807 801800421 1336334035 4009002105 6681670175 20045010525