2020638528 has 224 divisors, whose sum is σ = 6234501120. Its totient is φ = 640949760.

The previous prime is 2020638517. The next prime is 2020638553. The reversal of 2020638528 is 8258360202.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2020638492 and 2020638501.

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, 3588775 + ... + 3589337.

Almost surely, 2^2020638528 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 2020638528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3117250560).

2020638528 is an abundant number, since it is smaller than the sum of its proper divisors (4213862592).

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

2020638528 is a wasteful number, since it uses less digits than its factorization.

2020638528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2020638528 is about 44951.5130779821. The cubic root of 2020638528 is about 1264.2400468094.

The spelling of 2020638528 in words is "two billion, twenty million, six hundred thirty-eight thousand, five hundred twenty-eight".