20952230 has 32 divisors (see below), whose sum is σ = 41616288. Its totient is φ = 7545600.

The previous prime is 20952229. The next prime is 20952247. The reversal of 20952230 is 3225902.

It is a junction number, because it is equal to n+sod(n) for n = 20952196 and 20952205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3365 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (1300509).

Almost surely, 2^20952230 is an apocalyptic number.

20952230 is a deficient number, since it is larger than the sum of its proper divisors (20664058).

20952230 is a wasteful number, since it uses less digits than its factorization.

20952230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20952230 is about 4577.3605931803. The cubic root of 20952230 is about 275.6830622928.

It can be divided in two parts, 20952 and 230, that multiplied together give a triangular number (4818960 = T₃₁₀₄).

The spelling of 20952230 in words is "twenty million, nine hundred fifty-two thousand, two hundred thirty".