2133021301020 has 144 divisors (see below), whose sum is σ = 6493386637920. Its totient is φ = 566765641728.

The previous prime is 2133021301001. The next prime is 2133021301043. The reversal of 2133021301020 is 201031203312.

2133021301020 is a `hidden beast` number, since 21 + 330 + 213 + 0 + 102 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2133021300984 and 2133021301002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183606252 + ... + 183617868.

Almost surely, 2^{2133021301020} is an apocalyptic number.

2133021301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133021301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3246693318960).

2133021301020 is an abundant number, since it is smaller than the sum of its proper divisors (4360365336900).

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

2133021301020 is a wasteful number, since it uses less digits than its factorization.

2133021301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204 (or 15199 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2133021301020 its reverse (201031203312), we get a palindrome (2334052504332).

The spelling of 2133021301020 in words is "two trillion, one hundred thirty-three billion, twenty-one million, three hundred one thousand, twenty".