20021141432 has 16 divisors (see below), whose sum is σ = 38750596800. Its totient is φ = 9687648960.

The previous prime is 20021141431. The next prime is 20021141461. The reversal of 20021141432 is 23414112002.

It is a super-2 number, since 2×20021141432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021141431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40364957 + ... + 40365452.

It is an arithmetic number, because the mean of its divisors is an integer number (2421912300).

Almost surely, 2^20021141432 is an apocalyptic number.

It is an amenable number.

20021141432 is a deficient number, since it is larger than the sum of its proper divisors (18729455368).

20021141432 is a wasteful number, since it uses less digits than its factorization.

20021141432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80730446 (or 80730442 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20021141432 its reverse (23414112002), we get a palindrome (43435253434).

The spelling of 20021141432 in words is "twenty billion, twenty-one million, one hundred forty-one thousand, four hundred thirty-two".