20920262 has 8 divisors (see below), whose sum is σ = 34233192. Its totient is φ = 9509200.

The previous prime is 20920259. The next prime is 20920301. The reversal of 20920262 is 26202902.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475439 + ... + 475482.

It is an arithmetic number, because the mean of its divisors is an integer number (4279149).

Almost surely, 2^20920262 is an apocalyptic number.

20920262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20920262 is a deficient number, since it is larger than the sum of its proper divisors (13312930).

20920262 is a wasteful number, since it uses less digits than its factorization.

20920262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950934.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20920262 is about 4573.8672914723. The cubic root of 20920262 is about 275.5427825211.

The spelling of 20920262 in words is "twenty million, nine hundred twenty thousand, two hundred sixty-two".