20402310141 has 6 divisors (see below), whose sum is σ = 29470003550. Its totient is φ = 13601540088.

The previous prime is 20402310133. The next prime is 20402310163. The reversal of 20402310141 is 14101320402.

It can be written as a sum of positive squares in only one way, i.e., 19118592900 + 1283717241 = 138270^2 + 35829^2 .

It is not a de Polignac number, because 20402310141 - 2³ = 20402310133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402310101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133461666 + ... + 1133461683.

Almost surely, 2^20402310141 is an apocalyptic number.

It is an amenable number.

20402310141 is a deficient number, since it is larger than the sum of its proper divisors (9067693409).

20402310141 is a wasteful number, since it uses less digits than its factorization.

20402310141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266923355 (or 2266923352 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20402310141 its reverse (14101320402), we get a palindrome (34503630543).

The spelling of 20402310141 in words is "twenty billion, four hundred two million, three hundred ten thousand, one hundred forty-one".