4102420203220 has 48 divisors (see below), whose sum is σ = 8636122001808. Its totient is φ = 1636962370560.

The previous prime is 4102420203209. The next prime is 4102420203221. The reversal of 4102420203220 is 223020242014.

It can be written as a sum of positive squares in 8 ways, for example, as 785956717764 + 3316463485456 = 886542^2 + 1821116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4102420203191 and 4102420203200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102420203221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37355190 + ... + 37464850.

It is an arithmetic number, because the mean of its divisors is an integer number (179919208371).

Almost surely, 2^{4102420203220} is an apocalyptic number.

It is an amenable number.

4102420203220 is an abundant number, since it is smaller than the sum of its proper divisors (4533701798588).

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

4102420203220 is a wasteful number, since it uses less digits than its factorization.

4102420203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114220 (or 114218 counting only the distinct ones).

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

Adding to 4102420203220 its reverse (223020242014), we get a palindrome (4325440445234).

The spelling of 4102420203220 in words is "four trillion, one hundred two billion, four hundred twenty million, two hundred three thousand, two hundred twenty".