32020140212 has 12 divisors (see below), whose sum is σ = 56344833636. Its totient is φ = 15921616320.

The previous prime is 32020140211. The next prime is 32020140221. The reversal of 32020140212 is 21204102023.

It can be written as a sum of positive squares in 2 ways, for example, as 248503696 + 31771636516 = 15764^2 + 178246^2 .

It is a super-2 number, since 2×32020140212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020140211) 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, 22112633 + ... + 22114080.

It is an arithmetic number, because the mean of its divisors is an integer number (4695402803).

Almost surely, 2^32020140212 is an apocalyptic number.

It is an amenable number.

32020140212 is a deficient number, since it is larger than the sum of its proper divisors (24324693424).

32020140212 is a wasteful number, since it uses less digits than its factorization.

32020140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44226898 (or 44226896 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32020140212 its reverse (21204102023), we get a palindrome (53224242235).

The spelling of 32020140212 in words is "thirty-two billion, twenty million, one hundred forty thousand, two hundred twelve".