20202101011320 has 128 divisors (see below), whose sum is σ = 63830662156800. Its totient is φ = 5100924381696.

The previous prime is 20202101011283. The next prime is 20202101011399. The reversal of 20202101011320 is 2311010120202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202101011320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1812522 + ... + 6609798.

It is an arithmetic number, because the mean of its divisors is an integer number (498677048100).

Almost surely, 2^{20202101011320} is an apocalyptic number.

20202101011320 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 20202101011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31915331078400).

20202101011320 is an abundant number, since it is smaller than the sum of its proper divisors (43628561145480).

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

20202101011320 is a wasteful number, since it uses less digits than its factorization.

20202101011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799157 (or 4799153 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20202101011320 its reverse (2311010120202), we get a palindrome (22513111131522).

The spelling of 20202101011320 in words is "twenty trillion, two hundred two billion, one hundred one million, eleven thousand, three hundred twenty".