21424001132 has 6 divisors (see below), whose sum is σ = 37492001988. Its totient is φ = 10712000564.

The previous prime is 21424001101. The next prime is 21424001143. The reversal of 21424001132 is 23110042412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2678000138 + ... + 2678000145.

It is an arithmetic number, because the mean of its divisors is an integer number (6248666998).

Almost surely, 2^21424001132 is an apocalyptic number.

It is an amenable number.

21424001132 is a deficient number, since it is larger than the sum of its proper divisors (16068000856).

21424001132 is a wasteful number, since it uses less digits than its factorization.

21424001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356000287 (or 5356000285 counting only the distinct ones).

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

Adding to 21424001132 its reverse (23110042412), we get a palindrome (44534043544).

The spelling of 21424001132 in words is "twenty-one billion, four hundred twenty-four million, one thousand, one hundred thirty-two".