1020557022 has 32 divisors (see below), whose sum is σ = 2162806272. Its totient is φ = 319933824.

The previous prime is 1020557011. The next prime is 1020557033. The reversal of 1020557022 is 2207550201.

It is an interprime number because it is at equal distance from previous prime (1020557011) and next prime (1020557033).

It is a junction number, because it is equal to n+sod(n) for n = 1020556983 and 1020557001.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 172843 + ... + 178649.

It is an arithmetic number, because the mean of its divisors is an integer number (67587696).

Almost surely, 2^1020557022 is an apocalyptic number.

1020557022 is an abundant number, since it is smaller than the sum of its proper divisors (1142249250).

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

1020557022 is a wasteful number, since it uses less digits than its factorization.

1020557022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1020557022 is about 31946.1581727756. The cubic root of 1020557022 is about 1006.8059151019.

The spelling of 1020557022 in words is "one billion, twenty million, five hundred fifty-seven thousand, twenty-two".