420209336 has 8 divisors (see below), whose sum is σ = 787892520. Its totient is φ = 210104664.

The previous prime is 420209303. The next prime is 420209341. The reversal of 420209336 is 633902024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420209299 and 420209308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263076 + ... + 26263091.

It is an arithmetic number, because the mean of its divisors is an integer number (98486565).

Almost surely, 2^420209336 is an apocalyptic number.

It is an amenable number.

420209336 is a deficient number, since it is larger than the sum of its proper divisors (367683184).

420209336 is a wasteful number, since it uses less digits than its factorization.

420209336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52526173 (or 52526169 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 420209336 is about 20499.0081711287. The cubic root of 420209336 is about 749.0116379446.

The spelling of 420209336 in words is "four hundred twenty million, two hundred nine thousand, three hundred thirty-six".