21003060230 has 16 divisors (see below), whose sum is σ = 37822123584. Its totient is φ = 8397531840.

The previous prime is 21003060217. The next prime is 21003060271. The reversal of 21003060230 is 3206030012.

It is a super-2 number, since 2×21003060230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003060199 and 21003060208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437582 + ... + 483201.

It is an arithmetic number, because the mean of its divisors is an integer number (2363882724).

Almost surely, 2^21003060230 is an apocalyptic number.

21003060230 is a deficient number, since it is larger than the sum of its proper divisors (16819063354).

21003060230 is a wasteful number, since it uses less digits than its factorization.

21003060230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923071.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21003060230 its reverse (3206030012), we get a palindrome (24209090242).

The spelling of 21003060230 in words is "twenty-one billion, three million, sixty thousand, two hundred thirty".