20133311012020 has 12 divisors (see below), whose sum is σ = 42279953125284. Its totient is φ = 8053324404800.

The previous prime is 20133311011991. The next prime is 20133311012021. The reversal of 20133311012020 is 2021011333102.

It can be written as a sum of positive squares in 2 ways, for example, as 8032666966416 + 12100644045604 = 2834196^2 + 3478598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133311012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503332775281 + ... + 503332775320.

It is an arithmetic number, because the mean of its divisors is an integer number (3523329427107).

Almost surely, 2^{20133311012020} is an apocalyptic number.

20133311012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133311012020 is an abundant number, since it is smaller than the sum of its proper divisors (22146642113264).

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

20133311012020 is a wasteful number, since it uses less digits than its factorization.

20133311012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006665550610 (or 1006665550608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20133311012020 its reverse (2021011333102), we get a palindrome (22154322345122).

The spelling of 20133311012020 in words is "twenty trillion, one hundred thirty-three billion, three hundred eleven million, twelve thousand, twenty".