20133143952 has 80 divisors (see below), whose sum is σ = 52931880000. Its totient is φ = 6592348672.

The previous prime is 20133143939. The next prime is 20133143957. The reversal of 20133143952 is 25934133102.

It is not an unprimeable number, because it can be changed into a prime (20133143957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7217374 + ... + 7220162.

It is an arithmetic number, because the mean of its divisors is an integer number (661648500).

Almost surely, 2^20133143952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20133143952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26465940000).

20133143952 is an abundant number, since it is smaller than the sum of its proper divisors (32798736048).

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

20133143952 is a wasteful number, since it uses less digits than its factorization.

20133143952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408 (or 5402 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 20133143952 in words is "twenty billion, one hundred thirty-three million, one hundred forty-three thousand, nine hundred fifty-two".