133220431104020 has 72 divisors (see below), whose sum is σ = 312710741521920. Its totient is φ = 47602337627520.

The previous prime is 133220431104017. The next prime is 133220431104109. The reversal of 133220431104020 is 20401134022331.

It is a super-4 number, since 4×133220431104020⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635610200 + ... + 635819759.

It is an arithmetic number, because the mean of its divisors is an integer number (4343204743360).

Almost surely, 2^{133220431104020} is an apocalyptic number.

133220431104020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133220431104020 is an abundant number, since it is smaller than the sum of its proper divisors (179490310417900).

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

133220431104020 is a wasteful number, since it uses less digits than its factorization.

133220431104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271430025 (or 1271430010 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 133220431104020 its reverse (20401134022331), we get a palindrome (153621565126351).

The spelling of 133220431104020 in words is "one hundred thirty-three trillion, two hundred twenty billion, four hundred thirty-one million, one hundred four thousand, twenty".