420365342 has 16 divisors (see below), whose sum is σ = 660229920. Its totient is φ = 200351712.

The previous prime is 420365339. The next prime is 420365347. The reversal of 420365342 is 243563024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420365347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117 + ... + 29072.

It is an arithmetic number, because the mean of its divisors is an integer number (41264370).

Almost surely, 2^420365342 is an apocalyptic number.

420365342 is a deficient number, since it is larger than the sum of its proper divisors (239864578).

420365342 is a wasteful number, since it uses less digits than its factorization.

420365342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31507.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 420365342 is about 20502.8130265093. The cubic root of 420365342 is about 749.1043186175.

The spelling of 420365342 in words is "four hundred twenty million, three hundred sixty-five thousand, three hundred forty-two".