420633055 has 8 divisors (see below), whose sum is σ = 505264032. Its totient is φ = 336170208.

The previous prime is 420633049. The next prime is 420633061. The reversal of 420633055 is 550336024.

It is an interprime number because it is at equal distance from previous prime (420633049) and next prime (420633061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420633055 - 2¹¹ = 420631007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36459 + ... + 46588.

It is an arithmetic number, because the mean of its divisors is an integer number (63158004).

Almost surely, 2^420633055 is an apocalyptic number.

420633055 is a deficient number, since it is larger than the sum of its proper divisors (84630977).

420633055 is a wasteful number, since it uses less digits than its factorization.

420633055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84065.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 420633055 is about 20509.3406768721. The cubic root of 420633055 is about 749.2633092118.

Adding to 420633055 its reverse (550336024), we get a palindrome (970969079).

The spelling of 420633055 in words is "four hundred twenty million, six hundred thirty-three thousand, fifty-five".