20146926 has 16 divisors (see below), whose sum is σ = 41151744. Its totient is φ = 6572664.

The previous prime is 20146831. The next prime is 20146927. The reversal of 20146926 is 62964102.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20146893 and 20146902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35440 + ... + 36003.

It is an arithmetic number, because the mean of its divisors is an integer number (2571984).

Almost surely, 2^20146926 is an apocalyptic number.

20146926 is an abundant number, since it is smaller than the sum of its proper divisors (21004818).

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

20146926 is a wasteful number, since it uses less digits than its factorization.

20146926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71495.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20146926 is about 4488.5327223938. The cubic root of 20146926 is about 272.1048381189.

The spelling of 20146926 in words is "twenty million, one hundred forty-six thousand, nine hundred twenty-six".