21020133002 has 8 divisors (see below), whose sum is σ = 34396581312. Its totient is φ = 9554605900.

The previous prime is 21020132963. The next prime is 21020133041. The reversal of 21020133002 is 20033102012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21020132963) and next prime (21020133041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 477730274 + ... + 477730317.

It is an arithmetic number, because the mean of its divisors is an integer number (4299572664).

Almost surely, 2^21020133002 is an apocalyptic number.

21020133002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21020133002 is a deficient number, since it is larger than the sum of its proper divisors (13376448310).

21020133002 is a wasteful number, since it uses less digits than its factorization.

21020133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955460604.

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

Adding to 21020133002 its reverse (20033102012), we get a palindrome (41053235014).

The spelling of 21020133002 in words is "twenty-one billion, twenty million, one hundred thirty-three thousand, two".