20213300140 has 96 divisors (see below), whose sum is σ = 47876935680. Its totient is φ = 7101830400.

The previous prime is 20213300111. The next prime is 20213300143. The reversal of 20213300140 is 4100331202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20213300143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5065266 + ... + 5069254.

It is an arithmetic number, because the mean of its divisors is an integer number (498718080).

Almost surely, 2^20213300140 is an apocalyptic number.

20213300140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20213300140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23938467840).

20213300140 is an abundant number, since it is smaller than the sum of its proper divisors (27663635540).

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

20213300140 is a wasteful number, since it uses less digits than its factorization.

20213300140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20213300140 its reverse (4100331202), we get a palindrome (24313631342).

The spelling of 20213300140 in words is "twenty billion, two hundred thirteen million, three hundred thousand, one hundred forty".