133213110020 has 12 divisors (see below), whose sum is σ = 279747531084. Its totient is φ = 53285244000.

The previous prime is 133213110001. The next prime is 133213110053. The reversal of 133213110020 is 20011312331.

It can be written as a sum of positive squares in 2 ways, for example, as 42626557444 + 90586552576 = 206462^2 + 300976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3330327731 + ... + 3330327770.

It is an arithmetic number, because the mean of its divisors is an integer number (23312294257).

Almost surely, 2^133213110020 is an apocalyptic number.

133213110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133213110020 is an abundant number, since it is smaller than the sum of its proper divisors (146534421064).

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

133213110020 is a wasteful number, since it uses less digits than its factorization.

133213110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660655510 (or 6660655508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 133213110020 its reverse (20011312331), we get a palindrome (153224422351).

The spelling of 133213110020 in words is "one hundred thirty-three billion, two hundred thirteen million, one hundred ten thousand, twenty".