20093474 has 4 divisors (see below), whose sum is σ = 30140214. Its totient is φ = 10046736.

The previous prime is 20093471. The next prime is 20093477. The reversal of 20093474 is 47439002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20093471) and next prime (20093477).

It can be written as a sum of positive squares in only one way, i.e., 17581249 + 2512225 = 4193^2 + 1585^2 .

It is not an unprimeable number, because it can be changed into a prime (20093471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023367 + ... + 5023370.

Almost surely, 2^20093474 is an apocalyptic number.

20093474 is a deficient number, since it is larger than the sum of its proper divisors (10046740).

20093474 is a wasteful number, since it uses less digits than its factorization.

20093474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046739.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20093474 is about 4482.5744834860. The cubic root of 20093474 is about 271.8639836819.

The spelling of 20093474 in words is "twenty million, ninety-three thousand, four hundred seventy-four".