420154013132 has 24 divisors (see below), whose sum is σ = 846924632064. Its totient is φ = 178648161552.

The previous prime is 420154013129. The next prime is 420154013141. The reversal of 420154013132 is 231310451024.

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, 59073218 + ... + 59080329.

It is an arithmetic number, because the mean of its divisors is an integer number (35288526336).

Almost surely, 2^420154013132 is an apocalyptic number.

It is an amenable number.

420154013132 is an abundant number, since it is smaller than the sum of its proper divisors (426770618932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420154013132 is a wasteful number, since it uses less digits than its factorization.

420154013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118153685 (or 118153683 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 420154013132 its reverse (231310451024), we get a palindrome (651464464156).

The spelling of 420154013132 in words is "four hundred twenty billion, one hundred fifty-four million, thirteen thousand, one hundred thirty-two".