20868262 has 8 divisors (see below), whose sum is σ = 32065992. Its totient is φ = 10179600.

The previous prime is 20868257. The next prime is 20868269. The reversal of 20868262 is 26286802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20868269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127164 + ... + 127327.

It is an arithmetic number, because the mean of its divisors is an integer number (4008249).

Almost surely, 2^20868262 is an apocalyptic number.

20868262 is a deficient number, since it is larger than the sum of its proper divisors (11197730).

20868262 is a wasteful number, since it uses less digits than its factorization.

20868262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254534.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 20868262 is about 4568.1792871997. The cubic root of 20868262 is about 275.3142941038.

The spelling of 20868262 in words is "twenty million, eight hundred sixty-eight thousand, two hundred sixty-two".