4202012400220 has 48 divisors (see below), whose sum is σ = 9288879667200. Its totient is φ = 1592303711040.

The previous prime is 4202012400217. The next prime is 4202012400227. The reversal of 4202012400220 is 220042102024.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202012400227) 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, 19897785 + ... + 20107855.

It is an arithmetic number, because the mean of its divisors is an integer number (193518326400).

Almost surely, 2^{4202012400220} is an apocalyptic number.

It is an amenable number.

4202012400220 is an abundant number, since it is smaller than the sum of its proper divisors (5086867266980).

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

4202012400220 is a wasteful number, since it uses less digits than its factorization.

4202012400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262738 (or 262736 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 4202012400220 its reverse (220042102024), we get a palindrome (4422054502244).

The spelling of 4202012400220 in words is "four trillion, two hundred two billion, twelve million, four hundred thousand, two hundred twenty".