420020350 has 24 divisors (see below), whose sum is σ = 784670760. Its totient is φ = 167269920.

The previous prime is 420020347. The next prime is 420020353. The reversal of 420020350 is 53020024.

It is an interprime number because it is at equal distance from previous prime (420020347) and next prime (420020353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420020353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6892 + ... + 29791.

It is an arithmetic number, because the mean of its divisors is an integer number (32694615).

Almost surely, 2^420020350 is an apocalyptic number.

420020350 is a deficient number, since it is larger than the sum of its proper divisors (364650410).

420020350 is a wasteful number, since it uses less digits than its factorization.

420020350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924 (or 36919 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 420020350 is about 20494.3980150674. The cubic root of 420020350 is about 748.8993336498.

Adding to 420020350 its reverse (53020024), we get a palindrome (473040374).

The spelling of 420020350 in words is "four hundred twenty million, twenty thousand, three hundred fifty".