20077834 has 8 divisors (see below), whose sum is σ = 34419168. Its totient is φ = 8604780.

The previous prime is 20077817. The next prime is 20077853. The reversal of 20077834 is 43877002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20077796 and 20077805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717052 + ... + 717079.

It is an arithmetic number, because the mean of its divisors is an integer number (4302396).

Almost surely, 2^20077834 is an apocalyptic number.

20077834 is a deficient number, since it is larger than the sum of its proper divisors (14341334).

20077834 is a wasteful number, since it uses less digits than its factorization.

20077834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434140.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 20077834 is about 4480.8296106859. The cubic root of 20077834 is about 271.7934291597.

The spelling of 20077834 in words is "twenty million, seventy-seven thousand, eight hundred thirty-four".