20850098 has 32 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 9546768.

The previous prime is 20850097. The next prime is 20850103. The reversal of 20850098 is 89005802.

It is not an unprimeable number, because it can be changed into a prime (20850097) 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 15 ways as a sum of consecutive naturals, for example, 164111 + ... + 164237.

It is an arithmetic number, because the mean of its divisors is an integer number (1064448).

Almost surely, 2^20850098 is an apocalyptic number.

20850098 is a deficient number, since it is larger than the sum of its proper divisors (13212238).

20850098 is a wasteful number, since it uses less digits than its factorization.

20850098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 20850098 is about 4566.1907537903. The cubic root of 20850098 is about 275.2343918986.

The spelling of 20850098 in words is "twenty million, eight hundred fifty thousand, ninety-eight".