20300111340 has 48 divisors (see below), whose sum is σ = 56906626560. Its totient is φ = 5407047360.

The previous prime is 20300111333. The next prime is 20300111353. The reversal of 20300111340 is 4311100302.

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, 145396 + ... + 248475.

It is an arithmetic number, because the mean of its divisors is an integer number (1185554720).

Almost surely, 2^20300111340 is an apocalyptic number.

20300111340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300111340 is an abundant number, since it is smaller than the sum of its proper divisors (36606515220).

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

20300111340 is a wasteful number, since it uses less digits than its factorization.

20300111340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394742 (or 394740 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20300111340 its reverse (4311100302), we get a palindrome (24611211642).

The spelling of 20300111340 in words is "twenty billion, three hundred million, one hundred eleven thousand, three hundred forty".