20370426 has 8 divisors (see below), whose sum is σ = 40740864. Its totient is φ = 6790140.

The previous prime is 20370377. The next prime is 20370439. The reversal of 20370426 is 62407302.

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

20370426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20370396 and 20370405.

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, 1697530 + ... + 1697541.

It is an arithmetic number, because the mean of its divisors is an integer number (5092608).

Almost surely, 2^20370426 is an apocalyptic number.

20370426 is the 2855-th centered pentagonal number.

20370426 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.

20370426 is a wasteful number, since it uses less digits than its factorization.

20370426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395076.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20370426 is about 4513.3608320186. The cubic root of 20370426 is about 273.1073388102.

Adding to 20370426 its reverse (62407302), we get a palindrome (82777728).

The spelling of 20370426 in words is "twenty million, three hundred seventy thousand, four hundred twenty-six".