20113203303030 has 32 divisors (see below), whose sum is σ = 48272240736864. Its totient is φ = 5363459457536.

The previous prime is 20113203302957. The next prime is 20113203303043. The reversal of 20113203303030 is 3030330231102.

It is a junction number, because it is equal to n+sod(n) for n = 20113203302988 and 20113203303006.

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, 1144677 + ... + 6444896.

It is an arithmetic number, because the mean of its divisors is an integer number (1508507523027).

Almost surely, 2^{20113203303030} is an apocalyptic number.

20113203303030 is an abundant number, since it is smaller than the sum of its proper divisors (28159037433834).

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

20113203303030 is a wasteful number, since it uses less digits than its factorization.

20113203303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677920.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20113203303030 its reverse (3030330231102), we get a palindrome (23143533534132).

The spelling of 20113203303030 in words is "twenty trillion, one hundred thirteen billion, two hundred three million, three hundred three thousand, thirty".