1920202424 has 32 divisors (see below), whose sum is σ = 4152482400. Its totient is φ = 815391360.

The previous prime is 1920202423. The next prime is 1920202441. The reversal of 1920202424 is 4242020291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1920202393 and 1920202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920202421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151187 + ... + 163394.

It is an arithmetic number, because the mean of its divisors is an integer number (129765075).

Almost surely, 2^1920202424 is an apocalyptic number.

1920202424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1920202424 is an abundant number, since it is smaller than the sum of its proper divisors (2232279976).

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

1920202424 is a wasteful number, since it uses less digits than its factorization.

1920202424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314703 (or 314699 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1920202424 is about 43820.1143768475. The cubic root of 1920202424 is about 1242.9366799045.

The spelling of 1920202424 in words is "one billion, nine hundred twenty million, two hundred two thousand, four hundred twenty-four".