420386031622 has 4 divisors (see below), whose sum is σ = 630579047436. Its totient is φ = 210193015810.

The previous prime is 420386031607. The next prime is 420386031623. The reversal of 420386031622 is 226130683024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420386031623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105096507904 + ... + 105096507907.

It is an arithmetic number, because the mean of its divisors is an integer number (157644761859).

Almost surely, 2^420386031622 is an apocalyptic number.

420386031622 is a deficient number, since it is larger than the sum of its proper divisors (210193015814).

420386031622 is a wasteful number, since it uses less digits than its factorization.

420386031622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210193015813.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 420386031622 in words is "four hundred twenty billion, three hundred eighty-six million, thirty-one thousand, six hundred twenty-two".