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20260372 = 2211460463
BaseRepresentation
bin100110101001…
…0011000010100
31102010100000011
41031102120110
520141312442
62002130004
7334132066
oct115223024
942110004
1020260372
1110488a10
126950904
134274ab2
142995736
151ba3117
hex1352614

20260372 has 12 divisors (see below), whose sum is σ = 38678976. Its totient is φ = 9209240.

The previous prime is 20260369. The next prime is 20260397. The reversal of 20260372 is 27306202.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 230188 + ... + 230275.

It is an arithmetic number, because the mean of its divisors is an integer number (3223248).

Almost surely, 220260372 is an apocalyptic number.

20260372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20260372 is a deficient number, since it is larger than the sum of its proper divisors (18418604).

20260372 is a wasteful number, since it uses less digits than its factorization.

20260372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460478 (or 460476 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20260372 is about 4501.1522969124. The cubic root of 20260372 is about 272.6146172159.

Adding to 20260372 its reverse (27306202), we get a palindrome (47566574).

The spelling of 20260372 in words is "twenty million, two hundred sixty thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 460463 920926 1841852 5065093 10130186 20260372