1020001022 has 8 divisors (see below), whose sum is σ = 1565583096. Its totient is φ = 498139992.

The previous prime is 1020001013. The next prime is 1020001039. The reversal of 1020001022 is 2201000201.

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

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, 5930153 + ... + 5930324.

It is an arithmetic number, because the mean of its divisors is an integer number (195697887).

Almost surely, 2^1020001022 is an apocalyptic number.

1020001022 is a deficient number, since it is larger than the sum of its proper divisors (545582074).

1020001022 is a wasteful number, since it uses less digits than its factorization.

1020001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860522.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1020001022 is about 31937.4548453693. The cubic root of 1020001022 is about 1006.6230457588.

Adding to 1020001022 its reverse (2201000201), we get a palindrome (3221001223).

The spelling of 1020001022 in words is "one billion, twenty million, one thousand, twenty-two".