20020880208732 has 96 divisors (see below), whose sum is σ = 51159574287360. Its totient is φ = 6056587407360.

The previous prime is 20020880208713. The next prime is 20020880208739. The reversal of 20020880208732 is 23780208802002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020880208739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1458748 + ... + 6493820.

It is an arithmetic number, because the mean of its divisors is an integer number (532912232160).

Almost surely, 2^{20020880208732} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020880208732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25579787143680).

20020880208732 is an abundant number, since it is smaller than the sum of its proper divisors (31138694078628).

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

20020880208732 is a wasteful number, since it uses less digits than its factorization.

20020880208732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035523 (or 5035521 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 20020880208732 in words is "twenty trillion, twenty billion, eight hundred eighty million, two hundred eight thousand, seven hundred thirty-two".