21203014330 has 32 divisors (see below), whose sum is σ = 38282243328. Its totient is φ = 8455286400.

The previous prime is 21203014319. The next prime is 21203014333. The reversal of 21203014330 is 3341030212.

It is a junction number, because it is equal to n+sod(n) for n = 21203014298 and 21203014307.

It is not an unprimeable number, because it can be changed into a prime (21203014333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6643035 + ... + 6646225.

It is an arithmetic number, because the mean of its divisors is an integer number (1196320104).

Almost surely, 2^21203014330 is an apocalyptic number.

21203014330 is a deficient number, since it is larger than the sum of its proper divisors (17079228998).

21203014330 is a wasteful number, since it uses less digits than its factorization.

21203014330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21203014330 its reverse (3341030212), we get a palindrome (24544044542).

The spelling of 21203014330 in words is "twenty-one billion, two hundred three million, fourteen thousand, three hundred thirty".