1052321620220 has 24 divisors (see below), whose sum is σ = 2379865818624. Its totient is φ = 388549521216.

The previous prime is 1052321620169. The next prime is 1052321620249. The reversal of 1052321620220 is 220261232501.

It is a super-2 number, since 2×1052321620220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1052321620220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023695164 + ... + 2023695683.

It is an arithmetic number, because the mean of its divisors is an integer number (99161075776).

Almost surely, 2^{1052321620220} is an apocalyptic number.

1052321620220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052321620220 is an abundant number, since it is smaller than the sum of its proper divisors (1327544198404).

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

1052321620220 is a wasteful number, since it uses less digits than its factorization.

1052321620220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047390869 (or 4047390867 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1052321620220 its reverse (220261232501), we get a palindrome (1272582852721).

The spelling of 1052321620220 in words is "one trillion, fifty-two billion, three hundred twenty-one million, six hundred twenty thousand, two hundred twenty".