21203010062 has 192 divisors, whose sum is σ = 41006347200. Its totient is φ = 8151736320.

The previous prime is 21203010061. The next prime is 21203010083. The reversal of 21203010062 is 26001030212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 21203010062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21203010061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117143612 + ... + 117143792.

It is an arithmetic number, because the mean of its divisors is an integer number (213574725).

Almost surely, 2^21203010062 is an apocalyptic number.

21203010062 is a deficient number, since it is larger than the sum of its proper divisors (19803337138).

21203010062 is a wasteful number, since it uses less digits than its factorization.

21203010062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21203010062 its reverse (26001030212), we get a palindrome (47204040274).

The spelling of 21203010062 in words is "twenty-one billion, two hundred three million, ten thousand, sixty-two".