20074078980 has 144 divisors (see below), whose sum is σ = 63068241600. Its totient is φ = 5162169600.

The previous prime is 20074078979. The next prime is 20074079033. The reversal of 20074078980 is 8987047002.

It is a super-4 number, since 4×20074078980⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5484391 + ... + 5488049.

It is an arithmetic number, because the mean of its divisors is an integer number (437973900).

Almost surely, 2^20074078980 is an apocalyptic number.

20074078980 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 20074078980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31534120800).

20074078980 is an abundant number, since it is smaller than the sum of its proper divisors (42994162620).

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

20074078980 is a wasteful number, since it uses less digits than its factorization.

20074078980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

20074078980 divided by its sum of digits (45) gives a palindrome (446090644).

The spelling of 20074078980 in words is "twenty billion, seventy-four million, seventy-eight thousand, nine hundred eighty".