32201101020 has 96 divisors (see below), whose sum is σ = 98613365760. Its totient is φ = 7786197760.

The previous prime is 32201101013. The next prime is 32201101039. The reversal of 32201101020 is 2010110223.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 32201100987 and 32201101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194029 + ... + 319451.

It is an arithmetic number, because the mean of its divisors is an integer number (1027222560).

Almost surely, 2^32201101020 is an apocalyptic number.

32201101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32201101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49306682880).

32201101020 is an abundant number, since it is smaller than the sum of its proper divisors (66412264740).

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

32201101020 is a wasteful number, since it uses less digits than its factorization.

32201101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125835 (or 125833 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 32201101020 its reverse (2010110223), we get a palindrome (34211211243).

The spelling of 32201101020 in words is "thirty-two billion, two hundred one million, one hundred one thousand, twenty".