20200531990080 has 448 divisors, whose sum is σ = 69291451772928. Its totient is φ = 4956543344640.

The previous prime is 20200531990069. The next prime is 20200531990091. The reversal of 20200531990080 is 8009913500202.

It is an interprime number because it is at equal distance from previous prime (20200531990069) and next prime (20200531990091).

It is a super-2 number, since 2×20200531990080² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7451319925 + ... + 7451322635.

It is an arithmetic number, because the mean of its divisors is an integer number (154668419136).

Almost surely, 2^{20200531990080} is an apocalyptic number.

20200531990080 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 20200531990080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34645725886464).

20200531990080 is an abundant number, since it is smaller than the sum of its proper divisors (49090919782848).

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

20200531990080 is a wasteful number, since it uses less digits than its factorization.

20200531990080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 20200531990080 in words is "twenty trillion, two hundred billion, five hundred thirty-one million, nine hundred ninety thousand, eighty".