2020158660 has 192 divisors, whose sum is σ = 6448619520. Its totient is φ = 468426240.

The previous prime is 2020158659. The next prime is 2020158661. The reversal of 2020158660 is 668510202.

It is an interprime number because it is at equal distance from previous prime (2020158659) and next prime (2020158661).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2020158661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4015969 + ... + 4016471.

It is an arithmetic number, because the mean of its divisors is an integer number (33586560).

Almost surely, 2^2020158660 is an apocalyptic number.

2020158660 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 2020158660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3224309760).

2020158660 is an abundant number, since it is smaller than the sum of its proper divisors (4428460860).

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

2020158660 is a wasteful number, since it uses less digits than its factorization.

2020158660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2020158660 is about 44946.1751431643. The cubic root of 2020158660 is about 1264.1399602336.

Adding to 2020158660 its reverse (668510202), we get a palindrome (2688668862).

The spelling of 2020158660 in words is "two billion, twenty million, one hundred fifty-eight thousand, six hundred sixty".