2150134020 has 72 divisors (see below), whose sum is σ = 6526951704. Its totient is φ = 572940288.

The previous prime is 2150134009. The next prime is 2150134027. The reversal of 2150134020 is 204310512.

It can be written as a sum of positive squares in 4 ways, for example, as 9036036 + 2141097984 = 3006^2 + 46272^2 .

It is a super-2 number, since 2×2150134020² = 9246152607922720800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2150133984 and 2150134002.

It is not an unprimeable number, because it can be changed into a prime (2150134027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291012 + ... + 298308.

It is an arithmetic number, because the mean of its divisors is an integer number (90652107).

Almost surely, 2^2150134020 is an apocalyptic number.

2150134020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150134020 is an abundant number, since it is smaller than the sum of its proper divisors (4376817684).

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

2150134020 is a wasteful number, since it uses less digits than its factorization.

2150134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2150134020 is about 46369.5376297845. The cubic root of 2150134020 is about 1290.6896978904.

Adding to 2150134020 its reverse (204310512), we get a palindrome (2354444532).

The spelling of 2150134020 in words is "two billion, one hundred fifty million, one hundred thirty-four thousand, twenty".