20013232201032 has 128 divisors (see below), whose sum is σ = 59308490880000. Its totient is φ = 5506324137216.

The previous prime is 20013232201031. The next prime is 20013232201043. The reversal of 20013232201032 is 23010223231002.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20013232201031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3572782 + ... + 7265757.

It is an arithmetic number, because the mean of its divisors is an integer number (463347585000).

Almost surely, 2^{20013232201032} is an apocalyptic number.

It is an amenable number.

20013232201032 is an abundant number, since it is smaller than the sum of its proper divisors (39295258678968).

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

20013232201032 is a wasteful number, since it uses less digits than its factorization.

20013232201032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838963 (or 10838959 counting only the distinct ones).

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

Adding to 20013232201032 its reverse (23010223231002), we get a palindrome (43023455432034).

The spelling of 20013232201032 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, two hundred one thousand, thirty-two".