20952386 has 16 divisors (see below), whose sum is σ = 38681664. Its totient is φ = 8288784.

The previous prime is 20952377. The next prime is 20952401. The reversal of 20952386 is 68325902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57380 + ... + 57743.

It is an arithmetic number, because the mean of its divisors is an integer number (2417604).

Almost surely, 2^20952386 is an apocalyptic number.

20952386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20952386 is a deficient number, since it is larger than the sum of its proper divisors (17729278).

20952386 is a wasteful number, since it uses less digits than its factorization.

20952386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115145.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 20952386 is about 4577.3776335365. The cubic root of 20952386 is about 275.6837464912.

The spelling of 20952386 in words is "twenty million, nine hundred fifty-two thousand, three hundred eighty-six".