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20225010 = 2351351859
BaseRepresentation
bin100110100100…
…1101111110010
31102001112111110
41031021233302
520134200020
62001254150
7333624021
oct115115762
942045443
1020225010
1110464393
126934356
134261980
1429868b8
151b978e0
hex1349bf2

20225010 has 32 divisors (see below), whose sum is σ = 52274880. Its totient is φ = 4978368.

The previous prime is 20224999. The next prime is 20225011. The reversal of 20225010 is 1052202.

It is not an unprimeable number, because it can be changed into a prime (20225011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25540 + ... + 26319.

It is an arithmetic number, because the mean of its divisors is an integer number (1633590).

Almost surely, 220225010 is an apocalyptic number.

20225010 is an abundant number, since it is smaller than the sum of its proper divisors (32049870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20225010 is a wasteful number, since it uses less digits than its factorization.

20225010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51882.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20225010 is about 4497.2224761513. Note that the first 3 decimals coincide. The cubic root of 20225010 is about 272.4559196998.

Adding to 20225010 its reverse (1052202), we get a palindrome (21277212).

The spelling of 20225010 in words is "twenty million, two hundred twenty-five thousand, ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 51859 103718 155577 259295 311154 518590 674167 777885 1348334 1555770 2022501 3370835 4045002 6741670 10112505 20225010