1022153132020 has 12 divisors (see below), whose sum is σ = 2146521577284. Its totient is φ = 408861252800.

The previous prime is 1022153131999. The next prime is 1022153132069. The reversal of 1022153132020 is 202313512201.

It can be written as a sum of positive squares in 2 ways, for example, as 582684902244 + 439468229776 = 763338^2 + 662924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022153131982 and 1022153132000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25553828281 + ... + 25553828320.

It is an arithmetic number, because the mean of its divisors is an integer number (178876798107).

Almost surely, 2^{1022153132020} is an apocalyptic number.

1022153132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022153132020 is an abundant number, since it is smaller than the sum of its proper divisors (1124368445264).

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

1022153132020 is a wasteful number, since it uses less digits than its factorization.

1022153132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51107656610 (or 51107656608 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1022153132020 its reverse (202313512201), we get a palindrome (1224466644221).

The spelling of 1022153132020 in words is "one trillion, twenty-two billion, one hundred fifty-three million, one hundred thirty-two thousand, twenty".