20834078 has 16 divisors (see below), whose sum is σ = 33422544. Its totient is φ = 9705600.

The previous prime is 20834063. The next prime is 20834081. The reversal of 20834078 is 87043802.

It is a super-2 number, since 2×20834078² = 868117612220168, which contains 22 as substring.

It is a congruent number.

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, 401 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (2088909).

Almost surely, 2^20834078 is an apocalyptic number.

20834078 is a deficient number, since it is larger than the sum of its proper divisors (12588466).

20834078 is a wasteful number, since it uses less digits than its factorization.

20834078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20834078 is about 4564.4362192937. The cubic root of 20834078 is about 275.1638824824.

The spelling of 20834078 in words is "twenty million, eight hundred thirty-four thousand, seventy-eight".