4022620420 has 96 divisors (see below), whose sum is σ = 10849079808. Its totient is φ = 1217728512.

The previous prime is 4022620409. The next prime is 4022620423. The reversal of 4022620420 is 240262204.

It is a junction number, because it is equal to n+sod(n) for n = 4022620391 and 4022620400.

It is not an unprimeable number, because it can be changed into a prime (4022620423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6189 + ... + 89908.

It is an arithmetic number, because the mean of its divisors is an integer number (113011248).

Almost surely, 2^4022620420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022620420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5424539904).

4022620420 is an abundant number, since it is smaller than the sum of its proper divisors (6826459388).

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

4022620420 is a wasteful number, since it uses less digits than its factorization.

4022620420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96149 (or 96147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4022620420 is about 63424.1312120237. The cubic root of 4022620420 is about 1590.3877355623.

Adding to 4022620420 its reverse (240262204), we get a palindrome (4262882624).

The spelling of 4022620420 in words is "four billion, twenty-two million, six hundred twenty thousand, four hundred twenty".