21032203010 has 128 divisors (see below), whose sum is σ = 47598050304. Its totient is φ = 6514421760.

The previous prime is 21032202979. The next prime is 21032203013. The reversal of 21032203010 is 1030223012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (21032203013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9099755 + ... + 9102065.

It is an arithmetic number, because the mean of its divisors is an integer number (371859768).

Almost surely, 2^21032203010 is an apocalyptic number.

21032203010 is an abundant number, since it is smaller than the sum of its proper divisors (26565847294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21032203010 is a wasteful number, since it uses less digits than its factorization.

21032203010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21032203010 its reverse (1030223012), we get a palindrome (22062426022).

The spelling of 21032203010 in words is "twenty-one billion, thirty-two million, two hundred three thousand, ten".