1020105330 has 32 divisors (see below), whose sum is σ = 2452641984. Its totient is φ = 271540416.

The previous prime is 1020105329. The next prime is 1020105371. The reversal of 1020105330 is 335010201.

It is a happy number.

It is a super-2 number, since 2×1020105330² = 2081229768588817800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13309 + ... + 47088.

It is an arithmetic number, because the mean of its divisors is an integer number (76645062).

Almost surely, 2^1020105330 is an apocalyptic number.

1020105330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020105330 is an abundant number, since it is smaller than the sum of its proper divisors (1432536654).

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

1020105330 is a wasteful number, since it uses less digits than its factorization.

1020105330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60970.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1020105330 is about 31939.0878078883. The cubic root of 1020105330 is about 1006.6573579002.

Adding to 1020105330 its reverse (335010201), we get a palindrome (1355115531).

The spelling of 1020105330 in words is "one billion, twenty million, one hundred five thousand, three hundred thirty".