1020985522 has 8 divisors (see below), whose sum is σ = 1531685376. Its totient is φ = 510423732.

The previous prime is 1020985499. The next prime is 1020985523. The reversal of 1020985522 is 2255890201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1020985522² = 2084822872267224968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020985523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13458 + ... + 47149.

It is an arithmetic number, because the mean of its divisors is an integer number (191460672).

Almost surely, 2^1020985522 is an apocalyptic number.

1020985522 is a deficient number, since it is larger than the sum of its proper divisors (510699854).

1020985522 is an equidigital number, since it uses as much as digits as its factorization.

1020985522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69032.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1020985522 is about 31952.8640656828. The cubic root of 1020985522 is about 1006.9468041654.

The spelling of 1020985522 in words is "one billion, twenty million, nine hundred eighty-five thousand, five hundred twenty-two".