420133133231230 has 64 divisors (see below), whose sum is σ = 777402618437952. Its totient is φ = 163358907909120.

The previous prime is 420133133231191. The next prime is 420133133231233. The reversal of 420133133231230 is 32132331331024.

It is a junction number, because it is equal to n+sod(n) for n = 420133133231192 and 420133133231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420133133231233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1757634682 + ... + 1757873698.

It is an arithmetic number, because the mean of its divisors is an integer number (12146915913093).

Almost surely, 2^{420133133231230} is an apocalyptic number.

420133133231230 is a deficient number, since it is larger than the sum of its proper divisors (357269485206722).

420133133231230 is a wasteful number, since it uses less digits than its factorization.

420133133231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243469.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 420133133231230 its reverse (32132331331024), we get a palindrome (452265464562254).

The spelling of 420133133231230 in words is "four hundred twenty trillion, one hundred thirty-three billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty".