1020423411022 has 4 divisors (see below), whose sum is σ = 1530635116536. Its totient is φ = 510211705510.

The previous prime is 1020423410977. The next prime is 1020423411031. The reversal of 1020423411022 is 2201143240201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020423410984 and 1020423411002.

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, 255105852754 + ... + 255105852757.

It is an arithmetic number, because the mean of its divisors is an integer number (382658779134).

Almost surely, 2^{1020423411022} is an apocalyptic number.

1020423411022 is a deficient number, since it is larger than the sum of its proper divisors (510211705514).

1020423411022 is an equidigital number, since it uses as much as digits as its factorization.

1020423411022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510211705513.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1020423411022 its reverse (2201143240201), we get a palindrome (3221566651223).

The spelling of 1020423411022 in words is "one trillion, twenty billion, four hundred twenty-three million, four hundred eleven thousand, twenty-two".