202015020 has 24 divisors (see below), whose sum is σ = 565642224. Its totient is φ = 53870656.

The previous prime is 202015019. The next prime is 202015039. The reversal of 202015020 is 20510202.

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 = 202014987 and 202015005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683399 + ... + 1683518.

It is an arithmetic number, because the mean of its divisors is an integer number (23568426).

Almost surely, 2^202015020 is an apocalyptic number.

202015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202015020 is an abundant number, since it is smaller than the sum of its proper divisors (363627204).

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

202015020 is a wasteful number, since it uses less digits than its factorization.

202015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366929 (or 3366927 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 202015020 is about 14213.1987954858. The cubic root of 202015020 is about 586.7609732749.

Adding to 202015020 its reverse (20510202), we get a palindrome (222525222).

The spelling of 202015020 in words is "two hundred two million, fifteen thousand, twenty".