20213111300 has 18 divisors (see below), whose sum is σ = 43862451738. Its totient is φ = 8085244480.

The previous prime is 20213111293. The next prime is 20213111309. The reversal of 20213111300 is 311131202.

It can be written as a sum of positive squares in 3 ways, for example, as 3853678084 + 16359433216 = 62078^2 + 127904^2 .

It is not an unprimeable number, because it can be changed into a prime (20213111309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101065457 + ... + 101065656.

Almost surely, 2^20213111300 is an apocalyptic number.

20213111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213111300 is an abundant number, since it is smaller than the sum of its proper divisors (23649340438).

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

20213111300 is a wasteful number, since it uses less digits than its factorization.

20213111300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202131127 (or 202131120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20213111300 its reverse (311131202), we get a palindrome (20524242502).

The spelling of 20213111300 in words is "twenty billion, two hundred thirteen million, one hundred eleven thousand, three hundred".