20213000022320 has 80 divisors (see below), whose sum is σ = 53709686169600. Its totient is φ = 6930060786432.

The previous prime is 20213000022251. The next prime is 20213000022343. The reversal of 20213000022320 is 2322000031202.

It is a tau number, because it is divible by the number of its divisors (80).

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, 39789281 + ... + 40294079.

It is an arithmetic number, because the mean of its divisors is an integer number (671371077120).

Almost surely, 2^{20213000022320} is an apocalyptic number.

20213000022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213000022320 is an abundant number, since it is smaller than the sum of its proper divisors (33496686147280).

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

20213000022320 is a wasteful number, since it uses less digits than its factorization.

20213000022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576322 (or 576316 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20213000022320 its reverse (2322000031202), we get a palindrome (22535000053522).

The spelling of 20213000022320 in words is "twenty trillion, two hundred thirteen billion, twenty-two thousand, three hundred twenty".