20310202030 has 16 divisors (see below), whose sum is σ = 36602584560. Its totient is φ = 8114253952.

The previous prime is 20310201959. The next prime is 20310202051. The reversal of 20310202030 is 3020201302.

It is a happy number.

It is a super-2 number, since 2×20310202030² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20310202030.

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, 1219675 + ... + 1236214.

It is an arithmetic number, because the mean of its divisors is an integer number (2287661535).

Almost surely, 2^20310202030 is an apocalyptic number.

20310202030 is a deficient number, since it is larger than the sum of its proper divisors (16292382530).

20310202030 is a wasteful number, since it uses less digits than its factorization.

20310202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456723.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20310202030 its reverse (3020201302), we get a palindrome (23330403332).

The spelling of 20310202030 in words is "twenty billion, three hundred ten million, two hundred two thousand, thirty".