403220401420 has 24 divisors (see below), whose sum is σ = 847970808048. Its totient is φ = 161058072000.

The previous prime is 403220401373. The next prime is 403220401511. The reversal of 403220401420 is 24104022304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403220401391 and 403220401400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14366166 + ... + 14394205.

It is an arithmetic number, because the mean of its divisors is an integer number (35332117002).

Almost surely, 2^403220401420 is an apocalyptic number.

It is an amenable number.

403220401420 is an abundant number, since it is smaller than the sum of its proper divisors (444750406628).

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

403220401420 is a wasteful number, since it uses less digits than its factorization.

403220401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28761081 (or 28761079 counting only the distinct ones).

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

Adding to 403220401420 its reverse (24104022304), we get a palindrome (427324423724).

The spelling of 403220401420 in words is "four hundred three billion, two hundred twenty million, four hundred one thousand, four hundred twenty".