20842462 has 32 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 9568416.

The previous prime is 20842453. The next prime is 20842483. The reversal of 20842462 is 26424802.

It is a self number, because there is not a number n which added to its sum of digits gives 20842462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202303 + ... + 202405.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 2^20842462 is an apocalyptic number.

20842462 is a deficient number, since it is larger than the sum of its proper divisors (13123106).

20842462 is a wasteful number, since it uses less digits than its factorization.

20842462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 20842462 is about 4565.3545316875. The cubic root of 20842462 is about 275.2007877969.

The spelling of 20842462 in words is "twenty million, eight hundred forty-two thousand, four hundred sixty-two".