20095406 has 4 divisors (see below), whose sum is σ = 30143112. Its totient is φ = 10047702.

The previous prime is 20095381. The next prime is 20095421. The reversal of 20095406 is 60459002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023850 + ... + 5023853.

It is an arithmetic number, because the mean of its divisors is an integer number (7535778).

Almost surely, 2^20095406 is an apocalyptic number.

20095406 is a deficient number, since it is larger than the sum of its proper divisors (10047706).

20095406 is a wasteful number, since it uses less digits than its factorization.

20095406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047705.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20095406 is about 4482.7899794659. The cubic root of 20095406 is about 271.8726966996.

The spelling of 20095406 in words is "twenty million, ninety-five thousand, four hundred six".