20210030020320 has 96 divisors (see below), whose sum is σ = 72756108085248. Its totient is φ = 4619435432448.

The previous prime is 20210030020307. The next prime is 20210030020333. The reversal of 20210030020320 is 2302003001202.

It is an interprime number because it is at equal distance from previous prime (20210030020307) and next prime (20210030020333).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20210030020320² (a number of 27 digits) contains 22 as substring.

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 20210030020320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007441584 + ... + 3007448303.

It is an arithmetic number, because the mean of its divisors is an integer number (757876125888).

Almost surely, 2^{20210030020320} is an apocalyptic number.

20210030020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210030020320 is an abundant number, since it is smaller than the sum of its proper divisors (52546078064928).

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

20210030020320 is a wasteful number, since it uses less digits than its factorization.

20210030020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014889912 (or 6014889904 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20210030020320 its reverse (2302003001202), we get a palindrome (22512033021522).

The spelling of 20210030020320 in words is "twenty trillion, two hundred ten billion, thirty million, twenty thousand, three hundred twenty".