20962982 has 8 divisors (see below), whose sum is σ = 32811696. Its totient is φ = 10025752.

The previous prime is 20962957. The next prime is 20962993. The reversal of 20962982 is 28926902.

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

It is a super-2 number, since 2×20962982² = 878893228664648, which contains 22 as substring.

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, 227813 + ... + 227904.

It is an arithmetic number, because the mean of its divisors is an integer number (4101462).

Almost surely, 2^20962982 is an apocalyptic number.

20962982 is a deficient number, since it is larger than the sum of its proper divisors (11848714).

20962982 is a wasteful number, since it uses less digits than its factorization.

20962982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455742.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20962982 is about 4578.5349185083. The cubic root of 20962982 is about 275.7302114092.

The spelling of 20962982 in words is "twenty million, nine hundred sixty-two thousand, nine hundred eighty-two".