4020662 has 8 divisors (see below), whose sum is σ = 6159456. Its totient is φ = 1967512.

The previous prime is 4020641. The next prime is 4020671. The reversal of 4020662 is 2660204.

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

It is an Ulam number.

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, 21293 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (769932).

Almost surely, 2^4020662 is an apocalyptic number.

4020662 is a deficient number, since it is larger than the sum of its proper divisors (2138794).

4020662 is a wasteful number, since it uses less digits than its factorization.

4020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42822.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4020662 is about 2005.1588465755. The cubic root of 4020662 is about 159.0129599288.

Adding to 4020662 its reverse (2660204), we get a palindrome (6680866).

It can be divided in two parts, 40 and 20662, that added together give a palindrome (20702).

The spelling of 4020662 in words is "four million, twenty thousand, six hundred sixty-two".