21320103002030 has 64 divisors (see below), whose sum is σ = 45276763484160. Its totient is φ = 7073408160000.

The previous prime is 21320103001931. The next prime is 21320103002041. The reversal of 21320103002030 is 3020030102312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28401530 + ... + 29142530.

It is an arithmetic number, because the mean of its divisors is an integer number (707449429440).

Almost surely, 2^{21320103002030} is an apocalyptic number.

21320103002030 is an abundant number, since it is smaller than the sum of its proper divisors (23956660482130).

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

21320103002030 is a wasteful number, since it uses less digits than its factorization.

21320103002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754305.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21320103002030 its reverse (3020030102312), we get a palindrome (24340133104342).

The spelling of 21320103002030 in words is "twenty-one trillion, three hundred twenty billion, one hundred three million, two thousand, thirty".