1650520010220 has 96 divisors (see below), whose sum is σ = 4651225286400. Its totient is φ = 437307688704.

The previous prime is 1650520010213. The next prime is 1650520010263. The reversal of 1650520010220 is 220100250561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12683646 + ... + 12813114.

It is an arithmetic number, because the mean of its divisors is an integer number (48450263400).

Almost surely, 2^{1650520010220} is an apocalyptic number.

1650520010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650520010220 is an abundant number, since it is smaller than the sum of its proper divisors (3000705276180).

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

1650520010220 is a wasteful number, since it uses less digits than its factorization.

1650520010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130847 (or 130845 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1650520010220 its reverse (220100250561), we get a palindrome (1870620260781).

The spelling of 1650520010220 in words is "one trillion, six hundred fifty billion, five hundred twenty million, ten thousand, two hundred twenty".