21032330462 has 32 divisors (see below), whose sum is σ = 37076175360. Its totient is φ = 8821847520.

The previous prime is 21032330461. The next prime is 21032330491. The reversal of 21032330462 is 26403323012.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032330461) 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, 1007543 + ... + 1028205.

It is an arithmetic number, because the mean of its divisors is an integer number (1158630480).

Almost surely, 2^21032330462 is an apocalyptic number.

21032330462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21032330462 is a deficient number, since it is larger than the sum of its proper divisors (16043844898).

21032330462 is a wasteful number, since it uses less digits than its factorization.

21032330462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24248.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21032330462 its reverse (26403323012), we get a palindrome (47435653474).

The spelling of 21032330462 in words is "twenty-one billion, thirty-two million, three hundred thirty thousand, four hundred sixty-two".