20962902 has 8 divisors (see below), whose sum is σ = 41925816. Its totient is φ = 6987632.

The previous prime is 20962897. The next prime is 20962943. The reversal of 20962902 is 20926902.

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

20962902 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20962902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746903 + ... + 1746914.

It is an arithmetic number, because the mean of its divisors is an integer number (5240727).

Almost surely, 2^20962902 is an apocalyptic number.

20962902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20962902 is a wasteful number, since it uses less digits than its factorization.

20962902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493822.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 20962902 is about 4578.5261820809. The cubic root of 20962902 is about 275.7298606569.

The spelling of 20962902 in words is "twenty million, nine hundred sixty-two thousand, nine hundred two".