1020354342 has 32 divisors (see below), whose sum is σ = 2379840000. Its totient is φ = 291529224.

The previous prime is 1020354337. The next prime is 1020354343. The reversal of 1020354342 is 2434530201.

It is a super-2 number, since 2×1020354342² = 2082245966476505928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020354343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245842 + ... + 249957.

It is an arithmetic number, because the mean of its divisors is an integer number (74370000).

Almost surely, 2^1020354342 is an apocalyptic number.

1020354342 is an abundant number, since it is smaller than the sum of its proper divisors (1359485658).

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

1020354342 is an equidigital number, since it uses as much as digits as its factorization.

1020354342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495825 (or 495811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1020354342 is about 31942.9858028331. The cubic root of 1020354342 is about 1006.7392610007.

Adding to 1020354342 its reverse (2434530201), we get a palindrome (3454884543).

The spelling of 1020354342 in words is "one billion, twenty million, three hundred fifty-four thousand, three hundred forty-two".