1020641342 has 32 divisors (see below), whose sum is σ = 1867235328. Its totient is φ = 408433536.

The previous prime is 1020641339. The next prime is 1020641371. The reversal of 1020641342 is 2431460201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13343 + ... + 47109.

It is an arithmetic number, because the mean of its divisors is an integer number (58351104).

Almost surely, 2^1020641342 is an apocalyptic number.

1020641342 is a deficient number, since it is larger than the sum of its proper divisors (846593986).

1020641342 is a wasteful number, since it uses less digits than its factorization.

1020641342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33920.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1020641342 is about 31947.4778660225. The cubic root of 1020641342 is about 1006.8336422924.

The spelling of 1020641342 in words is "one billion, twenty million, six hundred forty-one thousand, three hundred forty-two".