21202030302 has 32 divisors (see below), whose sum is σ = 43570312992. Its totient is φ = 6873145344.

The previous prime is 21202030277. The next prime is 21202030321. The reversal of 21202030302 is 20303020212.

It is a super-2 number, since 2×21202030302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483598 + ... + 525614.

It is an arithmetic number, because the mean of its divisors is an integer number (1361572281).

Almost surely, 2^21202030302 is an apocalyptic number.

21202030302 is an abundant number, since it is smaller than the sum of its proper divisors (22368282690).

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

21202030302 is a wasteful number, since it uses less digits than its factorization.

21202030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44332.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21202030302 its reverse (20303020212), we get a palindrome (41505050514).

The spelling of 21202030302 in words is "twenty-one billion, two hundred two million, thirty thousand, three hundred two".