4020620662 has 8 divisors (see below), whose sum is σ = 6293145456. Its totient is φ = 1922905512.

The previous prime is 4020620629. The next prime is 4020620663. The reversal of 4020620662 is 2660260204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4020620662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020620663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43702353 + ... + 43702444.

It is an arithmetic number, because the mean of its divisors is an integer number (786643182).

Almost surely, 2^4020620662 is an apocalyptic number.

4020620662 is a deficient number, since it is larger than the sum of its proper divisors (2272524794).

4020620662 is a wasteful number, since it uses less digits than its factorization.

4020620662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87404822.

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

The square root of 4020620662 is about 63408.3642905256. The cubic root of 4020620662 is about 1590.1241496878.

Adding to 4020620662 its reverse (2660260204), we get a palindrome (6680880866).

The spelling of 4020620662 in words is "four billion, twenty million, six hundred twenty thousand, six hundred sixty-two".