403220201020 has 48 divisors (see below), whose sum is σ = 1042169139648. Its totient is φ = 127612546560.

The previous prime is 403220201003. The next prime is 403220201023. The reversal of 403220201020 is 20102022304.

It is a junction number, because it is equal to n+sod(n) for n = 403220200985 and 403220201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403220201023) 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, 110772961 + ... + 110776600.

It is an arithmetic number, because the mean of its divisors is an integer number (21711857076).

Almost surely, 2^403220201020 is an apocalyptic number.

It is an amenable number.

403220201020 is an abundant number, since it is smaller than the sum of its proper divisors (638948938628).

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

403220201020 is a wasteful number, since it uses less digits than its factorization.

403220201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221549590 (or 221549588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 403220201020 its reverse (20102022304), we get a palindrome (423322223324).

The spelling of 403220201020 in words is "four hundred three billion, two hundred twenty million, two hundred one thousand, twenty".