20833426 has 16 divisors (see below), whose sum is σ = 33373440. Its totient is φ = 9732240.

The previous prime is 20833411. The next prime is 20833427. The reversal of 20833426 is 62433802.

It is a junction number, because it is equal to n+sod(n) for n = 20833394 and 20833403.

It is not an unprimeable number, because it can be changed into a prime (20833427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 7591.

It is an arithmetic number, because the mean of its divisors is an integer number (2085840).

Almost surely, 2^20833426 is an apocalyptic number.

20833426 is a deficient number, since it is larger than the sum of its proper divisors (12540014).

20833426 is a wasteful number, since it uses less digits than its factorization.

20833426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20833426 is about 4564.3647969898. The cubic root of 20833426 is about 275.1610120454.

The spelling of 20833426 in words is "twenty million, eight hundred thirty-three thousand, four hundred twenty-six".