20235000740 has 12 divisors (see below), whose sum is σ = 42493501596. Its totient is φ = 8094000288.

The previous prime is 20235000713. The next prime is 20235000749. The reversal of 20235000740 is 4700053202.

It can be written as a sum of positive squares in 2 ways, for example, as 5068585636 + 15166415104 = 71194^2 + 123152^2 .

It is not an unprimeable number, because it can be changed into a prime (20235000749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505874999 + ... + 505875038.

It is an arithmetic number, because the mean of its divisors is an integer number (3541125133).

Almost surely, 2^20235000740 is an apocalyptic number.

20235000740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20235000740 is an abundant number, since it is smaller than the sum of its proper divisors (22258500856).

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

20235000740 is a wasteful number, since it uses less digits than its factorization.

20235000740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011750046 (or 1011750044 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

Adding to 20235000740 its reverse (4700053202), we get a palindrome (24935053942).

The spelling of 20235000740 in words is "twenty billion, two hundred thirty-five million, seven hundred forty", and thus it is an aban number.