20227532 has 12 divisors (see below), whose sum is σ = 38121216. Its totient is φ = 9335760.

The previous prime is 20227523. The next prime is 20227553. The reversal of 20227532 is 23572202.

It is a super-2 number, since 2×20227532² = 818306101622048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20227498 and 20227507.

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, 194444 + ... + 194547.

It is an arithmetic number, because the mean of its divisors is an integer number (3176768).

Almost surely, 2^20227532 is an apocalyptic number.

It is an amenable number.

20227532 is a deficient number, since it is larger than the sum of its proper divisors (17893684).

20227532 is a wasteful number, since it uses less digits than its factorization.

20227532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389008 (or 389006 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20227532 is about 4497.5028627006. The cubic root of 20227532 is about 272.4672440497.

Adding to 20227532 its reverse (23572202), we get a palindrome (43799734).

The spelling of 20227532 in words is "twenty million, two hundred twenty-seven thousand, five hundred thirty-two".