1020040423022 has 4 divisors (see below), whose sum is σ = 1530060634536. Its totient is φ = 510020211510.

The previous prime is 1020040423013. The next prime is 1020040423043. The reversal of 1020040423022 is 2203240400201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1020040423022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020040422985 and 1020040423003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255010105754 + ... + 255010105757.

It is an arithmetic number, because the mean of its divisors is an integer number (382515158634).

Almost surely, 2^{1020040423022} is an apocalyptic number.

1020040423022 is a deficient number, since it is larger than the sum of its proper divisors (510020211514).

1020040423022 is an equidigital number, since it uses as much as digits as its factorization.

1020040423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510020211513.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1020040423022 its reverse (2203240400201), we get a palindrome (3223280823223).

The spelling of 1020040423022 in words is "one trillion, twenty billion, forty million, four hundred twenty-three thousand, twenty-two".