4220001020 has 12 divisors (see below), whose sum is σ = 8862002184. Its totient is φ = 1688000400.

The previous prime is 4220001013. The next prime is 4220001031. The reversal of 4220001020 is 201000224.

It is a junction number, because it is equal to n+sod(n) for n = 4220000992 and 4220001010.

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, 105500006 + ... + 105500045.

It is an arithmetic number, because the mean of its divisors is an integer number (738500182).

Almost surely, 2^4220001020 is an apocalyptic number.

It is an amenable number.

4220001020 is an abundant number, since it is smaller than the sum of its proper divisors (4642001164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220001020 is a wasteful number, since it uses less digits than its factorization.

4220001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211000060 (or 211000058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4220001020 is about 64961.5349264471. The cubic root of 4220001020 is about 1615.9857197175.

Adding to 4220001020 its reverse (201000224), we get a palindrome (4421001244).

The spelling of 4220001020 in words is "four billion, two hundred twenty million, one thousand, twenty".