1020354522 has 48 divisors (see below), whose sum is σ = 2315502336. Its totient is φ = 299217600.

The previous prime is 1020354521. The next prime is 1020354527. The reversal of 1020354522 is 2254530201.

It is a super-2 number, since 2×1020354522² = 2082246701131696968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020354492 and 1020354501.

It is not an unprimeable number, because it can be changed into a prime (1020354521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163 + ... + 45174.

It is an arithmetic number, because the mean of its divisors is an integer number (48239632).

Almost surely, 2^1020354522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020354522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157751168).

1020354522 is an abundant number, since it is smaller than the sum of its proper divisors (1295147814).

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

1020354522 is a wasteful number, since it uses less digits than its factorization.

1020354522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45395 (or 45384 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1020354522 is about 31942.9886203530. The cubic root of 1020354522 is about 1006.7393202001.

Adding to 1020354522 its reverse (2254530201), we get a palindrome (3274884723).

The spelling of 1020354522 in words is "one billion, twenty million, three hundred fifty-four thousand, five hundred twenty-two".