2023949820 has 96 divisors (see below), whose sum is σ = 5781178368. Its totient is φ = 528947712.

The previous prime is 2023949803. The next prime is 2023949827. The reversal of 2023949820 is 289493202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023949827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730077 + ... + 732843.

It is an arithmetic number, because the mean of its divisors is an integer number (60220608).

Almost surely, 2^2023949820 is an apocalyptic number.

2023949820 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 2023949820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2890589184).

2023949820 is an abundant number, since it is smaller than the sum of its proper divisors (3757228548).

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

2023949820 is a wasteful number, since it uses less digits than its factorization.

2023949820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2023949820 is about 44988.3298200767. The cubic root of 2023949820 is about 1264.9302549204.

The spelling of 2023949820 in words is "two billion, twenty-three million, nine hundred forty-nine thousand, eight hundred twenty".