20473378 has 8 divisors (see below), whose sum is σ = 30735360. Its totient is φ = 10228260.

The previous prime is 20473373. The next prime is 20473399. The reversal of 20473378 is 87337402.

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

It is not an unprimeable number, because it can be changed into a prime (20473373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (3841920).

Almost surely, 2^20473378 is an apocalyptic number.

20473378 is a deficient number, since it is larger than the sum of its proper divisors (10261982).

20473378 is a wasteful number, since it uses less digits than its factorization.

20473378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 20473378 is about 4524.7517058950. The cubic root of 20473378 is about 273.5666601105.

The spelling of 20473378 in words is "twenty million, four hundred seventy-three thousand, three hundred seventy-eight".