21030132002 has 64 divisors (see below), whose sum is σ = 35888987520. Its totient is φ = 9158054400.

The previous prime is 21030131963. The next prime is 21030132107. The reversal of 21030132002 is 20023103012.

It is a happy 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, 23979188 + ... + 23980064.

It is an arithmetic number, because the mean of its divisors is an integer number (560765430).

Almost surely, 2^21030132002 is an apocalyptic number.

21030132002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21030132002 is a deficient number, since it is larger than the sum of its proper divisors (14858855518).

21030132002 is a wasteful number, since it uses less digits than its factorization.

21030132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21030132002 its reverse (20023103012), we get a palindrome (41053235014).

The spelling of 21030132002 in words is "twenty-one billion, thirty million, one hundred thirty-two thousand, two".