20933194 has 8 divisors (see below), whose sum is σ = 32248548. Its totient is φ = 10183680.

The previous prime is 20933191. The next prime is 20933203. The reversal of 20933194 is 49133902.

It can be written as a sum of positive squares in 2 ways, for example, as 20820969 + 112225 = 4563^2 + 335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20933194² = 876397222083272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20933191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141367 + ... + 141514.

Almost surely, 2^20933194 is an apocalyptic number.

20933194 is a deficient number, since it is larger than the sum of its proper divisors (11315354).

20933194 is a wasteful number, since it uses less digits than its factorization.

20933194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282920.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 20933194 is about 4575.2807564127. The cubic root of 20933194 is about 275.5995470314.

The spelling of 20933194 in words is "twenty million, nine hundred thirty-three thousand, one hundred ninety-four".