20850526 has 4 divisors (see below), whose sum is σ = 31275792. Its totient is φ = 10425262.

The previous prime is 20850523. The next prime is 20850547. The reversal of 20850526 is 62505802.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20850494 and 20850503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5212630 + ... + 5212633.

It is an arithmetic number, because the mean of its divisors is an integer number (7818948).

Almost surely, 2^20850526 is an apocalyptic number.

20850526 is a deficient number, since it is larger than the sum of its proper divisors (10425266).

20850526 is a wasteful number, since it uses less digits than its factorization.

20850526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425265.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 20850526 is about 4566.2376197478. The cubic root of 20850526 is about 275.2362751753.

The spelling of 20850526 in words is "twenty million, eight hundred fifty thousand, five hundred twenty-six".