20378854 has 8 divisors (see below), whose sum is σ = 31024728. Its totient is φ = 10037280.

The previous prime is 20378837. The next prime is 20378863. The reversal of 20378854 is 45887302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75907 + ... + 76174.

It is an arithmetic number, because the mean of its divisors is an integer number (3878091).

Almost surely, 2^20378854 is an apocalyptic number.

20378854 is a deficient number, since it is larger than the sum of its proper divisors (10645874).

20378854 is a wasteful number, since it uses less digits than its factorization.

20378854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152150.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 20378854 is about 4514.2944077674. The cubic root of 20378854 is about 273.1449984920.

The spelling of 20378854 in words is "twenty million, three hundred seventy-eight thousand, eight hundred fifty-four".