420203244042 has 24 divisors (see below), whose sum is σ = 910576692480. Its totient is φ = 140046774120.

The previous prime is 420203244037. The next prime is 420203244107. The reversal of 420203244042 is 240442302024.

It is a junction number, because it is equal to n+sod(n) for n = 420203243997 and 420203244015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1624042 + ... + 1864917.

It is an arithmetic number, because the mean of its divisors is an integer number (37940695520).

Almost surely, 2^420203244042 is an apocalyptic number.

420203244042 is an abundant number, since it is smaller than the sum of its proper divisors (490373448438).

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

420203244042 is a wasteful number, since it uses less digits than its factorization.

420203244042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495658 (or 3495655 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 420203244042 its reverse (240442302024), we get a palindrome (660645546066).

The spelling of 420203244042 in words is "four hundred twenty billion, two hundred three million, two hundred forty-four thousand, forty-two".