1098925020 has 72 divisors (see below), whose sum is σ = 3336693360. Its totient is φ = 292757760.

The previous prime is 1098925019. The next prime is 1098925039. The reversal of 1098925020 is 205298901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 230016 + ... + 234744.

Almost surely, 2^1098925020 is an apocalyptic number.

1098925020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098925020 is an abundant number, since it is smaller than the sum of its proper divisors (2237768340).

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

1098925020 is a wasteful number, since it uses less digits than its factorization.

1098925020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035 (or 6030 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1098925020 is about 33150.0380090280. The cubic root of 1098925020 is about 1031.9437390458.

The spelling of 1098925020 in words is "one billion, ninety-eight million, nine hundred twenty-five thousand, twenty".