2020232440 has 32 divisors (see below), whose sum is σ = 4548836880. Its totient is φ = 807503872.

The previous prime is 2020232381. The next prime is 2020232447. The reversal of 2020232440 is 442320202.

It is a super-2 number, since 2×2020232440² = 8162678223256707200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020232447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39384 + ... + 74776.

Almost surely, 2^2020232440 is an apocalyptic number.

2020232440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020232440 is an abundant number, since it is smaller than the sum of its proper divisors (2528604440).

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

2020232440 is a wasteful number, since it uses less digits than its factorization.

2020232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36831 (or 36827 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2020232440 is about 44946.9958951652. The cubic root of 2020232440 is about 1264.1553496372.

Adding to 2020232440 its reverse (442320202), we get a palindrome (2462552642).

The spelling of 2020232440 in words is "two billion, twenty million, two hundred thirty-two thousand, four hundred forty".