1020420412422 has 64 divisors (see below), whose sum is σ = 2124189204480. Its totient is φ = 326536358400.

The previous prime is 1020420412411. The next prime is 1020420412441. The reversal of 1020420412422 is 2242140240201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020420412392 and 1020420412401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7673979 + ... + 7805817.

It is an arithmetic number, because the mean of its divisors is an integer number (33190456320).

Almost surely, 2^{1020420412422} is an apocalyptic number.

1020420412422 is an abundant number, since it is smaller than the sum of its proper divisors (1103768792058).

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

1020420412422 is a wasteful number, since it uses less digits than its factorization.

1020420412422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132389.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1020420412422 its reverse (2242140240201), we get a palindrome (3262560652623).

The spelling of 1020420412422 in words is "one trillion, twenty billion, four hundred twenty million, four hundred twelve thousand, four hundred twenty-two".