202023120 has 160 divisors (see below), whose sum is σ = 684456192. Its totient is φ = 48992256.

The previous prime is 202023119. The next prime is 202023131. The reversal of 202023120 is 21320202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202023096 and 202023105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227317 + ... + 228203.

Almost surely, 2^202023120 is an apocalyptic number.

202023120 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 202023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342228096).

202023120 is an abundant number, since it is smaller than the sum of its proper divisors (482433072).

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

202023120 is a wasteful number, since it uses less digits than its factorization.

202023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202023120 is about 14213.4837390416. The cubic root of 202023120 is about 586.7688154317.

Adding to 202023120 its reverse (21320202), we get a palindrome (223343322).

The spelling of 202023120 in words is "two hundred two million, twenty-three thousand, one hundred twenty".