419940020 has 24 divisors (see below), whose sum is σ = 882354984. Its totient is φ = 167884416.

The previous prime is 419939953. The next prime is 419940061. The reversal of 419940020 is 20049914.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 419922064 = 134^2 + 20492^2 .

It is a congruent number.

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, 41282 + ... + 50438.

It is an arithmetic number, because the mean of its divisors is an integer number (36764791).

Almost surely, 2^419940020 is an apocalyptic number.

It is an amenable number.

419940020 is an abundant number, since it is smaller than the sum of its proper divisors (462414964).

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

419940020 is a wasteful number, since it uses less digits than its factorization.

419940020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459 (or 11457 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 419940020 is about 20492.4381175106. The cubic root of 419940020 is about 748.8515876147.

Adding to 419940020 its reverse (20049914), we get a palindrome (439989934).

The spelling of 419940020 in words is "four hundred nineteen million, nine hundred forty thousand, twenty".