2051020342 has 24 divisors (see below), whose sum is σ = 3583678464. Its totient is φ = 877815792.

The previous prime is 2051020339. The next prime is 2051020343. The reversal of 2051020342 is 2430201502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051020343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60363 + ... + 88009.

It is an arithmetic number, because the mean of its divisors is an integer number (149319936).

Almost surely, 2^2051020342 is an apocalyptic number.

2051020342 is a deficient number, since it is larger than the sum of its proper divisors (1532658122).

2051020342 is a wasteful number, since it uses less digits than its factorization.

2051020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28420 (or 28413 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2051020342 is about 45288.1920813803. The cubic root of 2051020342 is about 1270.5448180149.

Adding to 2051020342 its reverse (2430201502), we get a palindrome (4481221844).

The spelling of 2051020342 in words is "two billion, fifty-one million, twenty thousand, three hundred forty-two".