20111303130 has 32 divisors (see below), whose sum is σ = 48363122304. Its totient is φ = 5352348096.

The previous prime is 20111303117. The next prime is 20111303143. The reversal of 20111303130 is 3130311102.

It is an interprime number because it is at equal distance from previous prime (20111303117) and next prime (20111303143).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 651289 + ... + 681468.

It is an arithmetic number, because the mean of its divisors is an integer number (1511347572).

Almost surely, 2^20111303130 is an apocalyptic number.

20111303130 is an abundant number, since it is smaller than the sum of its proper divisors (28251819174).

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

20111303130 is a wasteful number, since it uses less digits than its factorization.

20111303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333270.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20111303130 its reverse (3130311102), we get a palindrome (23241614232).

The spelling of 20111303130 in words is "twenty billion, one hundred eleven million, three hundred three thousand, one hundred thirty".