420133233331 has 24 divisors (see below), whose sum is σ = 490173716160. Its totient is φ = 359049398400.

The previous prime is 420133233329. The next prime is 420133233347. The reversal of 420133233331 is 133332331024.

It is not a de Polignac number, because 420133233331 - 2¹ = 420133233329 is a prime.

It is a super-2 number, since 2×420133233331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420133233331.

It is not an unprimeable number, because it can be changed into a prime (420133233371) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23278671 + ... + 23296711.

It is an arithmetic number, because the mean of its divisors is an integer number (20423904840).

Almost surely, 2^420133233331 is an apocalyptic number.

420133233331 is a deficient number, since it is larger than the sum of its proper divisors (70040482829).

420133233331 is a wasteful number, since it uses less digits than its factorization.

420133233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435 (or 19428 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 420133233331 its reverse (133332331024), we get a palindrome (553465564355).

The spelling of 420133233331 in words is "four hundred twenty billion, one hundred thirty-three million, two hundred thirty-three thousand, three hundred thirty-one".