1022553140520 has 64 divisors (see below), whose sum is σ = 3098032323840. Its totient is φ = 269981024000.

The previous prime is 1022553140513. The next prime is 1022553140537. The reversal of 1022553140520 is 250413552201.

1022553140520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022553140520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 42172416 + ... + 42196655.

It is an arithmetic number, because the mean of its divisors is an integer number (48406755060).

Almost surely, 2^{1022553140520} is an apocalyptic number.

1022553140520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022553140520 is an abundant number, since it is smaller than the sum of its proper divisors (2075479183320).

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

1022553140520 is a wasteful number, since it uses less digits than its factorization.

1022553140520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84369186 (or 84369182 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1022553140520 its reverse (250413552201), we get a palindrome (1272966692721).

The spelling of 1022553140520 in words is "one trillion, twenty-two billion, five hundred fifty-three million, one hundred forty thousand, five hundred twenty".