202663020 has 144 divisors (see below), whose sum is σ = 683151840. Its totient is φ = 44706816.

The previous prime is 202663003. The next prime is 202663037. The reversal of 202663020 is 20366202.

It is an interprime number because it is at equal distance from previous prime (202663003) and next prime (202663037).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84072 + ... + 86448.

It is an arithmetic number, because the mean of its divisors is an integer number (4744110).

Almost surely, 2^202663020 is an apocalyptic number.

202663020 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 202663020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341575920).

202663020 is an abundant number, since it is smaller than the sum of its proper divisors (480488820).

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

202663020 is a wasteful number, since it uses less digits than its factorization.

202663020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 202663020 is about 14235.9762573559. The cubic root of 202663020 is about 587.3876845805.

The spelling of 202663020 in words is "two hundred two million, six hundred sixty-three thousand, twenty".