420401020432 has 40 divisors (see below), whose sum is σ = 828526212000. Its totient is φ = 206601787392.

The previous prime is 420401020421. The next prime is 420401020493. The reversal of 420401020432 is 234020104024.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44619 + ... + 918037.

It is an arithmetic number, because the mean of its divisors is an integer number (20713155300).

Almost surely, 2^420401020432 is an apocalyptic number.

It is an amenable number.

420401020432 is a deficient number, since it is larger than the sum of its proper divisors (408125191568).

420401020432 is a wasteful number, since it uses less digits than its factorization.

420401020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873943 (or 873937 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 420401020432 its reverse (234020104024), we get a palindrome (654421124456).

The spelling of 420401020432 in words is "four hundred twenty billion, four hundred one million, twenty thousand, four hundred thirty-two".