140020424202001 has 4 divisors (see below), whose sum is σ = 160023341945152. Its totient is φ = 120017506458852.

The previous prime is 140020424201963. The next prime is 140020424202013. The reversal of 140020424202001 is 100202424020041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140020424202001 - 2⁷ = 140020424201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140020424205001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001458871565 + ... + 10001458871578.

It is an arithmetic number, because the mean of its divisors is an integer number (40005835486288).

Almost surely, 2^{140020424202001} is an apocalyptic number.

It is an amenable number.

140020424202001 is a deficient number, since it is larger than the sum of its proper divisors (20002917743151).

140020424202001 is an equidigital number, since it uses as much as digits as its factorization.

140020424202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002917743150.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 140020424202001 its reverse (100202424020041), we get a palindrome (240222848222042).

The spelling of 140020424202001 in words is "one hundred forty trillion, twenty billion, four hundred twenty-four million, two hundred two thousand, one".