20020133142320 has 80 divisors (see below), whose sum is σ = 46920160980000. Its totient is φ = 7943960592384.

The previous prime is 20020133142307. The next prime is 20020133142367. The reversal of 20020133142320 is 2324133102002.

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, 8074451 + ... + 10258509.

It is an arithmetic number, because the mean of its divisors is an integer number (586502012250).

Almost surely, 2^{20020133142320} is an apocalyptic number.

20020133142320 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 20020133142320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23460080490000).

20020133142320 is an abundant number, since it is smaller than the sum of its proper divisors (26900027837680).

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

20020133142320 is a wasteful number, since it uses less digits than its factorization.

20020133142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184990 (or 2184984 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20020133142320 its reverse (2324133102002), we get a palindrome (22344266244322).

The spelling of 20020133142320 in words is "twenty trillion, twenty billion, one hundred thirty-three million, one hundred forty-two thousand, three hundred twenty".