420332430220342 has 32 divisors (see below), whose sum is σ = 632127483839232. Its totient is φ = 209624058774144.

The previous prime is 420332430220333. The next prime is 420332430220397. The reversal of 420332430220342 is 243022034233024.

It is a junction number, because it is equal to n+sod(n) for n = 420332430220298 and 420332430220307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7435141108 + ... + 7435197640.

It is an arithmetic number, because the mean of its divisors is an integer number (19753983869976).

Almost surely, 2^{420332430220342} is an apocalyptic number.

420332430220342 is a deficient number, since it is larger than the sum of its proper divisors (211795053618890).

420332430220342 is a wasteful number, since it uses less digits than its factorization.

420332430220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63352.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 420332430220342 its reverse (243022034233024), we get a palindrome (663354464453366).

The spelling of 420332430220342 in words is "four hundred twenty trillion, three hundred thirty-two billion, four hundred thirty million, two hundred twenty thousand, three hundred forty-two".