2030154681 has 4 divisors (see below), whose sum is σ = 2706872912. Its totient is φ = 1353436452.

The previous prime is 2030154673. The next prime is 2030154713. The reversal of 2030154681 is 1864510302.

2030154681 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2030154681 - 2³ = 2030154673 is a prime.

It is a super-2 number, since 2×2030154681² = 8243056057572423522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030154781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338359111 + ... + 338359116.

It is an arithmetic number, because the mean of its divisors is an integer number (676718228).

Almost surely, 2^2030154681 is an apocalyptic number.

It is an amenable number.

2030154681 is a deficient number, since it is larger than the sum of its proper divisors (676718231).

2030154681 is an equidigital number, since it uses as much as digits as its factorization.

2030154681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676718230.

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

The square root of 2030154681 is about 45057.2378314517. The cubic root of 2030154681 is about 1266.2215763602.

Adding to 2030154681 its reverse (1864510302), we get a palindrome (3894664983).

The spelling of 2030154681 in words is "two billion, thirty million, one hundred fifty-four thousand, six hundred eighty-one".