21202524006 has 16 divisors (see below), whose sum is σ = 42566287104. Its totient is φ = 7040634824.

The previous prime is 21202523999. The next prime is 21202524037. The reversal of 21202524006 is 60042520212.

It is a happy number.

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, 6716586 + ... + 6719741.

It is an arithmetic number, because the mean of its divisors is an integer number (2660392944).

Almost surely, 2^21202524006 is an apocalyptic number.

21202524006 is an abundant number, since it is smaller than the sum of its proper divisors (21363763098).

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

21202524006 is a wasteful number, since it uses less digits than its factorization.

21202524006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436595.

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 21202524006 in words is "twenty-one billion, two hundred two million, five hundred twenty-four thousand, six".