20966350 has 24 divisors (see below), whose sum is σ = 39269808. Its totient is φ = 8328000.

The previous prime is 20966279. The next prime is 20966357. The reversal of 20966350 is 5366902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20966357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6162 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (1636242).

Almost surely, 2^20966350 is an apocalyptic number.

20966350 is a deficient number, since it is larger than the sum of its proper divisors (18303458).

20966350 is a wasteful number, since it uses less digits than its factorization.

20966350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 20966350 is about 4578.9027069812. The cubic root of 20966350 is about 275.7449772732.

It can be divided in two parts, 20966 and 350, that added together give a square (21316 = 146²).

The spelling of 20966350 in words is "twenty million, nine hundred sixty-six thousand, three hundred fifty".