20113115302 has 32 divisors (see below), whose sum is σ = 35990438400. Its totient is φ = 8242447488.

The previous prime is 20113115219. The next prime is 20113115333. The reversal of 20113115302 is 20351131102.

It is a self number, because there is not a number n which added to its sum of digits gives 20113115302.

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, 1208574 + ... + 1225102.

It is an arithmetic number, because the mean of its divisors is an integer number (1124701200).

Almost surely, 2^20113115302 is an apocalyptic number.

20113115302 is a deficient number, since it is larger than the sum of its proper divisors (15877323098).

20113115302 is a wasteful number, since it uses less digits than its factorization.

20113115302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20113115302 its reverse (20351131102), we get a palindrome (40464246404).

The spelling of 20113115302 in words is "twenty billion, one hundred thirteen million, one hundred fifteen thousand, three hundred two".