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20122325 = 52804893
BaseRepresentation
bin100110011000…
…0101011010101
31101212022122022
41030300223111
520122403300
61555142525
7333015446
oct114605325
941768568
1020122325
11103a4223
1268a4a45
134227002
14295b2cd
151b77285
hex1330ad5

20122325 has 6 divisors (see below), whose sum is σ = 24951714. Its totient is φ = 16097840.

The previous prime is 20122241. The next prime is 20122343. The reversal of 20122325 is 52322102.

It can be written as a sum of positive squares in 3 ways, for example, as 2093809 + 18028516 = 1447^2 + 4246^2 .

It is not a de Polignac number, because 20122325 - 212 = 20118229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402422 + ... + 402471.

It is an arithmetic number, because the mean of its divisors is an integer number (4158619).

Almost surely, 220122325 is an apocalyptic number.

20122325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20122325 is a deficient number, since it is larger than the sum of its proper divisors (4829389).

20122325 is an equidigital number, since it uses as much as digits as its factorization.

20122325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804903 (or 804898 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20122325 is about 4485.7914574799. The cubic root of 20122325 is about 271.9940391211.

Adding to 20122325 its reverse (52322102), we get a palindrome (72444427).

The spelling of 20122325 in words is "twenty million, one hundred twenty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 804893 4024465 20122325