140420335310202 has 32 divisors (see below), whose sum is σ = 290527232889600. Its totient is φ = 45192378072128.

The previous prime is 140420335310197. The next prime is 140420335310237. The reversal of 140420335310202 is 202013533024041.

It is a super-2 number, since 2×140420335310202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140420335310202.

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, 18175423 + ... + 24722189.

It is an arithmetic number, because the mean of its divisors is an integer number (9078976027800).

Almost surely, 2^{140420335310202} is an apocalyptic number.

140420335310202 is an abundant number, since it is smaller than the sum of its proper divisors (150106897579398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140420335310202 is a wasteful number, since it uses less digits than its factorization.

140420335310202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670070.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 140420335310202 its reverse (202013533024041), we get a palindrome (342433868334243).

The spelling of 140420335310202 in words is "one hundred forty trillion, four hundred twenty billion, three hundred thirty-five million, three hundred ten thousand, two hundred two".