1020240188 has 96 divisors (see below), whose sum is σ = 2126234880. Its totient is φ = 423360000.

The previous prime is 1020240181. The next prime is 1020240191. The reversal of 1020240188 is 8810420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020240181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3630608 + ... + 3630888.

It is an arithmetic number, because the mean of its divisors is an integer number (22148280).

Almost surely, 2^1020240188 is an apocalyptic number.

It is an amenable number.

1020240188 is an abundant number, since it is smaller than the sum of its proper divisors (1105994692).

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

1020240188 is a wasteful number, since it uses less digits than its factorization.

1020240188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1020240188 is about 31941.1989130026. The cubic root of 1020240188 is about 1006.7017160045.

Adding to 1020240188 its reverse (8810420201), we get a palindrome (9830660389).

The spelling of 1020240188 in words is "one billion, twenty million, two hundred forty thousand, one hundred eighty-eight".