403430201020 has 96 divisors (see below), whose sum is σ = 1057372807680. Its totient is φ = 125611242240.

The previous prime is 403430201017. The next prime is 403430201021. The reversal of 403430201020 is 20102034304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403430201021) 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, 1320066 + ... + 1596694.

It is an arithmetic number, because the mean of its divisors is an integer number (11014300080).

Almost surely, 2^403430201020 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 403430201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528686403840).

403430201020 is an abundant number, since it is smaller than the sum of its proper divisors (653942606660).

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

403430201020 is a wasteful number, since it uses less digits than its factorization.

403430201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277603 (or 277601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 403430201020 its reverse (20102034304), we get a palindrome (423532235324).

It can be divided in two parts, 403430 and 201020, that added together give a triangular number (604450 = T₁₀₉₉).

The spelling of 403430201020 in words is "four hundred three billion, four hundred thirty million, two hundred one thousand, twenty".