21004150202 has 16 divisors (see below), whose sum is σ = 36009178560. Its totient is φ = 9001262688.

The previous prime is 21004150169. The next prime is 21004150241. The reversal of 21004150202 is 20205140012.

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, 309773 + ... + 371439.

It is an arithmetic number, because the mean of its divisors is an integer number (2250573660).

Almost surely, 2^21004150202 is an apocalyptic number.

21004150202 is a deficient number, since it is larger than the sum of its proper divisors (15005028358).

21004150202 is a wasteful number, since it uses less digits than its factorization.

21004150202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86005.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 21004150202 its reverse (20205140012), we get a palindrome (41209290214).

The spelling of 21004150202 in words is "twenty-one billion, four million, one hundred fifty thousand, two hundred two".