10205021342 has 4 divisors (see below), whose sum is σ = 15307532016. Its totient is φ = 5102510670.

The previous prime is 10205021339. The next prime is 10205021357. The reversal of 10205021342 is 24312050201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24312050201 = 44483 ⋅546547.

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, 2551255334 + ... + 2551255337.

It is an arithmetic number, because the mean of its divisors is an integer number (3826883004).

Almost surely, 2^10205021342 is an apocalyptic number.

10205021342 is a deficient number, since it is larger than the sum of its proper divisors (5102510674).

10205021342 is an equidigital number, since it uses as much as digits as its factorization.

10205021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102510673.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 10205021342 its reverse (24312050201), we get a palindrome (34517071543).

The spelling of 10205021342 in words is "ten billion, two hundred five million, twenty-one thousand, three hundred forty-two".