20370234 has 8 divisors (see below), whose sum is σ = 40740480. Its totient is φ = 6790076.

The previous prime is 20370227. The next prime is 20370263. The reversal of 20370234 is 43207302.

It is a happy number.

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

20370234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20370234.

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, 1697514 + ... + 1697525.

It is an arithmetic number, because the mean of its divisors is an integer number (5092560).

Almost surely, 2^20370234 is an apocalyptic number.

20370234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20370234 is a wasteful number, since it uses less digits than its factorization.

20370234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395044.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20370234 is about 4513.3395617879. The cubic root of 20370234 is about 273.1064807562.

Adding to 20370234 its reverse (43207302), we get a palindrome (63577536).

The spelling of 20370234 in words is "twenty million, three hundred seventy thousand, two hundred thirty-four".