20233628 has 12 divisors (see below), whose sum is σ = 35605752. Its totient is φ = 10060560.

The previous prime is 20233601. The next prime is 20233643. The reversal of 20233628 is 82633202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20233597 and 20233606.

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, 13250 + ... + 14697.

It is an arithmetic number, because the mean of its divisors is an integer number (2967146).

Almost surely, 2^20233628 is an apocalyptic number.

It is an amenable number.

20233628 is a deficient number, since it is larger than the sum of its proper divisors (15372124).

20233628 is a wasteful number, since it uses less digits than its factorization.

20233628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132 (or 28130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20233628 is about 4498.1805210552. The cubic root of 20233628 is about 272.4946125804.

The spelling of 20233628 in words is "twenty million, two hundred thirty-three thousand, six hundred twenty-eight".