2020638580 has 24 divisors (see below), whose sum is σ = 4276758528. Its totient is φ = 801890208.

The previous prime is 2020638553. The next prime is 2020638593. The reversal of 2020638580 is 858360202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395224 + ... + 400303.

It is an arithmetic number, because the mean of its divisors is an integer number (178198272).

Almost surely, 2^2020638580 is an apocalyptic number.

2020638580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020638580 is an abundant number, since it is smaller than the sum of its proper divisors (2256119948).

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

2020638580 is a wasteful number, since it uses less digits than its factorization.

2020638580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795663 (or 795661 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 2020638580 is about 44951.5136563831. The cubic root of 2020638580 is about 1264.2400576543.

Adding to 2020638580 its reverse (858360202), we get a palindrome (2878998782).

The spelling of 2020638580 in words is "two billion, twenty million, six hundred thirty-eight thousand, five hundred eighty".