1020098688 has 64 divisors (see below), whose sum is σ = 3096736320. Its totient is φ = 291456000.

The previous prime is 1020098641. The next prime is 1020098689. The reversal of 1020098688 is 8868900201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1020098689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187063 + ... + 192438.

It is an arithmetic number, because the mean of its divisors is an integer number (48386505).

Almost surely, 2^1020098688 is an apocalyptic number.

It is an amenable number.

1020098688 is an abundant number, since it is smaller than the sum of its proper divisors (2076637632).

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

1020098688 is an equidigital number, since it uses as much as digits as its factorization.

1020098688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379525 (or 379513 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1020098688 is about 31938.9838285441. The cubic root of 1020098688 is about 1006.6551730824.

Adding to 1020098688 its reverse (8868900201), we get a palindrome (9888998889).

The spelling of 1020098688 in words is "one billion, twenty million, ninety-eight thousand, six hundred eighty-eight".