20210020332 has 12 divisors (see below), whose sum is σ = 47156714136. Its totient is φ = 6736673440.

The previous prime is 20210020321. The next prime is 20210020333. The reversal of 20210020332 is 23302001202.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20210020333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842084169 + ... + 842084192.

It is an arithmetic number, because the mean of its divisors is an integer number (3929726178).

Almost surely, 2^20210020332 is an apocalyptic number.

It is an amenable number.

20210020332 is an abundant number, since it is smaller than the sum of its proper divisors (26946693804).

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

20210020332 is a wasteful number, since it uses less digits than its factorization.

20210020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684168368 (or 1684168366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20210020332 its reverse (23302001202), we get a palindrome (43512021534).

The spelling of 20210020332 in words is "twenty billion, two hundred ten million, twenty thousand, three hundred thirty-two".