133331404020 has 48 divisors (see below), whose sum is σ = 383417881728. Its totient is φ = 34594093440.

The previous prime is 133331403991. The next prime is 133331404021. The reversal of 133331404020 is 20404133331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331404021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30027376 + ... + 30031815.

It is an arithmetic number, because the mean of its divisors is an integer number (7987872536).

Almost surely, 2^133331404020 is an apocalyptic number.

133331404020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133331404020 is an abundant number, since it is smaller than the sum of its proper divisors (250086477708).

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

133331404020 is a wasteful number, since it uses less digits than its factorization.

133331404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60059240 (or 60059238 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 133331404020 its reverse (20404133331), we get a palindrome (153735537351).

The spelling of 133331404020 in words is "one hundred thirty-three billion, three hundred thirty-one million, four hundred four thousand, twenty".