4021220014 has 32 divisors (see below), whose sum is σ = 7105107456. Its totient is φ = 1670816160.

The previous prime is 4021219987. The next prime is 4021220023. The reversal of 4021220014 is 4100221204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021220014.

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, 132879 + ... + 160309.

It is an arithmetic number, because the mean of its divisors is an integer number (222034608).

Almost surely, 2^4021220014 is an apocalyptic number.

4021220014 is a deficient number, since it is larger than the sum of its proper divisors (3083887442).

4021220014 is a wasteful number, since it uses less digits than its factorization.

4021220014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4021220014 is about 63413.0902416843. The cubic root of 4021220014 is about 1590.2031587776.

Adding to 4021220014 its reverse (4100221204), we get a palindrome (8121441218).

The spelling of 4021220014 in words is "four billion, twenty-one million, two hundred twenty thousand, fourteen".