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20227692 = 2234313911
BaseRepresentation
bin100110100101…
…0011001101100
31102001200011210
41031022121230
520134241232
62001314420
7333634602
oct115123154
942050153
1020227692
1110466401
126935a10
134262c64
142987872
151b985cc
hex134a66c

20227692 has 24 divisors (see below), whose sum is σ = 47319552. Its totient is φ = 6725200.

The previous prime is 20227651. The next prime is 20227693. The reversal of 20227692 is 29672202.

20227692 is nontrivially palindromic in base 11.

It is not an unprimeable number, because it can be changed into a prime (20227693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1971648).

Almost surely, 220227692 is an apocalyptic number.

It is an amenable number.

20227692 is an abundant number, since it is smaller than the sum of its proper divisors (27091860).

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

20227692 is a wasteful number, since it uses less digits than its factorization.

20227692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20227692 is about 4497.5206503139. The cubic root of 20227692 is about 272.4679624541.

Adding to 20227692 its reverse (29672202), we get a palindrome (49899894).

The spelling of 20227692 in words is "twenty million, two hundred twenty-seven thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 431 862 1293 1724 2586 3911 5172 7822 11733 15644 23466 46932 1685641 3371282 5056923 6742564 10113846 20227692