20102203030030 has 64 divisors (see below), whose sum is σ = 39693149876160. Its totient is φ = 7269286348800.

The previous prime is 20102203029989. The next prime is 20102203030033. The reversal of 20102203030030 is 3003030220102.

It is a junction number, because it is equal to n+sod(n) for n = 20102203029986 and 20102203030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102203030033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18260832 + ... + 19330348.

It is an arithmetic number, because the mean of its divisors is an integer number (620205466815).

Almost surely, 2^{20102203030030} is an apocalyptic number.

20102203030030 is a deficient number, since it is larger than the sum of its proper divisors (19590946846130).

20102203030030 is a wasteful number, since it uses less digits than its factorization.

20102203030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070485.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20102203030030 its reverse (3003030220102), we get a palindrome (23105233250132).

The spelling of 20102203030030 in words is "twenty trillion, one hundred two billion, two hundred three million, thirty thousand, thirty".