20662462 has 16 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 9753048.

The previous prime is 20662459. The next prime is 20662493. The reversal of 20662462 is 26426602.

It is a self number, because there is not a number n which added to its sum of digits gives 20662462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12403 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (2046240).

Almost surely, 2^20662462 is an apocalyptic number.

20662462 is a deficient number, since it is larger than the sum of its proper divisors (12077378).

20662462 is a wasteful number, since it uses less digits than its factorization.

20662462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20662462 is about 4545.5980904607. The cubic root of 20662462 is about 274.4062650327.

The spelling of 20662462 in words is "twenty million, six hundred sixty-two thousand, four hundred sixty-two".