20533142244000 has 96 divisors (see below), whose sum is σ = 67266574030656. Its totient is φ = 5475504595200.

The previous prime is 20533142243993. The next prime is 20533142244047. The reversal of 20533142244000 is 44224133502.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855535594 + ... + 855559593.

It is an arithmetic number, because the mean of its divisors is an integer number (700693479486).

Almost surely, 2^{20533142244000} is an apocalyptic number.

20533142244000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533142244000 is an abundant number, since it is smaller than the sum of its proper divisors (46733431786656).

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

20533142244000 is a wasteful number, since it uses less digits than its factorization.

20533142244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711095215 (or 1711095197 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20533142244000 its reverse (44224133502), we get a palindrome (20577366377502).

The spelling of 20533142244000 in words is "twenty trillion, five hundred thirty-three billion, one hundred forty-two million, two hundred forty-four thousand".