20133021023220 has 192 divisors, whose sum is σ = 67568042336256. Its totient is φ = 4379409323520.

The previous prime is 20133021023161. The next prime is 20133021023261. The reversal of 20133021023220 is 2232012033102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3386736 + ... + 7192775.

It is an arithmetic number, because the mean of its divisors is an integer number (351916887168).

Almost surely, 2^{20133021023220} is an apocalyptic number.

20133021023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133021023220 is an abundant number, since it is smaller than the sum of its proper divisors (47435021313036).

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

20133021023220 is a wasteful number, since it uses less digits than its factorization.

20133021023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579750 (or 10579748 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133021023220 its reverse (2232012033102), we get a palindrome (22365033056322).

The spelling of 20133021023220 in words is "twenty trillion, one hundred thirty-three billion, twenty-one million, twenty-three thousand, two hundred twenty".