420220402044 has 12 divisors (see below), whose sum is σ = 980514271464. Its totient is φ = 140073467344.

The previous prime is 420220402013. The next prime is 420220402057. The reversal of 420220402044 is 440204022024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17509183407 + ... + 17509183430.

It is an arithmetic number, because the mean of its divisors is an integer number (81709522622).

Almost surely, 2^420220402044 is an apocalyptic number.

It is an amenable number.

420220402044 is an abundant number, since it is smaller than the sum of its proper divisors (560293869420).

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

420220402044 is a wasteful number, since it uses less digits than its factorization.

420220402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35018366844 (or 35018366842 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420220402044 its reverse (440204022024), we get a palindrome (860424424068).

The spelling of 420220402044 in words is "four hundred twenty billion, two hundred twenty million, four hundred two thousand, forty-four".