403220000102420 has 144 divisors (see below), whose sum is σ = 864330854139984. Its totient is φ = 158005654732800.

The previous prime is 403220000102419. The next prime is 403220000102449. The reversal of 403220000102420 is 24201000022304.

It can be written as a sum of positive squares in 8 ways, for example, as 1252707131536 + 401967292970884 = 1119244^2 + 20049122^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 403220000102392 and 403220000102401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11103994184 + ... + 11104030496.

Almost surely, 2^{403220000102420} is an apocalyptic number.

It is an amenable number.

403220000102420 is an abundant number, since it is smaller than the sum of its proper divisors (461110854037564).

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

403220000102420 is a wasteful number, since it uses less digits than its factorization.

403220000102420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37162 (or 37089 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 403220000102420 its reverse (24201000022304), we get a palindrome (427421000124724).

The spelling of 403220000102420 in words is "four hundred three trillion, two hundred twenty billion, one hundred two thousand, four hundred twenty".