20850335 has 8 divisors (see below), whose sum is σ = 27295056. Its totient is φ = 15163840.

The previous prime is 20850331. The next prime is 20850343. The reversal of 20850335 is 53305802.

20850335 = 963² + 964² + ... + 984².

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

It is not a de Polignac number, because 20850335 - 2² = 20850331 is a prime.

It is a super-2 number, since 2×20850335² = 869472939224450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850331) 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, 189494 + ... + 189603.

It is an arithmetic number, because the mean of its divisors is an integer number (3411882).

Almost surely, 2^20850335 is an apocalyptic number.

20850335 is a deficient number, since it is larger than the sum of its proper divisors (6444721).

20850335 is a wasteful number, since it uses less digits than its factorization.

20850335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379113.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20850335 is about 4566.2167053262. The cubic root of 20850335 is about 275.2354347442.

The spelling of 20850335 in words is "twenty million, eight hundred fifty thousand, three hundred thirty-five".