21003132010 has 32 divisors (see below), whose sum is σ = 43411243392. Its totient is φ = 7166940480.

The previous prime is 21003131969. The next prime is 21003132037. The reversal of 21003132010 is 1023130012.

It is a super-2 number, since 2×21003132010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696237 + ... + 725776.

It is an arithmetic number, because the mean of its divisors is an integer number (1356601356).

Almost surely, 2^21003132010 is an apocalyptic number.

21003132010 is an abundant number, since it is smaller than the sum of its proper divisors (22408111382).

21003132010 is a wasteful number, since it uses less digits than its factorization.

21003132010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422238.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21003132010 its reverse (1023130012), we get a palindrome (22026262022).

The spelling of 21003132010 in words is "twenty-one billion, three million, one hundred thirty-two thousand, ten".