10200422642 has 4 divisors (see below), whose sum is σ = 15300633966. Its totient is φ = 5100211320.

The previous prime is 10200422629. The next prime is 10200422647. The reversal of 10200422642 is 24622400201.

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

It can be written as a sum of positive squares in only one way, i.e., 6578669881 + 3621752761 = 81109^2 + 60181^2 .

It is not an unprimeable number, because it can be changed into a prime (10200422647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550105659 + ... + 2550105662.

Almost surely, 2^10200422642 is an apocalyptic number.

10200422642 is a deficient number, since it is larger than the sum of its proper divisors (5100211324).

10200422642 is an equidigital number, since it uses as much as digits as its factorization.

10200422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100211323.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10200422642 its reverse (24622400201), we get a palindrome (34822822843).

The spelling of 10200422642 in words is "ten billion, two hundred million, four hundred twenty-two thousand, six hundred forty-two".