20356026 has 16 divisors (see below), whose sum is σ = 42025728. Its totient is φ = 6566400.

The previous prime is 20356019. The next prime is 20356027. The reversal of 20356026 is 62065302.

It is a junction number, because it is equal to n+sod(n) for n = 20355987 and 20356005.

It is not an unprimeable number, because it can be changed into a prime (20356027) 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, 54535 + ... + 54906.

It is an arithmetic number, because the mean of its divisors is an integer number (2626608).

Almost surely, 2^20356026 is an apocalyptic number.

20356026 is an abundant number, since it is smaller than the sum of its proper divisors (21669702).

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

20356026 is a wasteful number, since it uses less digits than its factorization.

20356026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109477.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20356026 is about 4511.7652864483. The cubic root of 20356026 is about 273.0429697957.

The spelling of 20356026 in words is "twenty million, three hundred fifty-six thousand, twenty-six".