20202140423401 has 8 divisors (see below), whose sum is σ = 20213516847744. Its totient is φ = 20190764855520.

The previous prime is 20202140423383. The next prime is 20202140423429. The reversal of 20202140423401 is 10432404120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20202140423401 - 2¹³ = 20202140415209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202140423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50316636 + ... + 50716546.

It is an arithmetic number, because the mean of its divisors is an integer number (2526689605968).

Almost surely, 2^{20202140423401} is an apocalyptic number.

It is an amenable number.

20202140423401 is a deficient number, since it is larger than the sum of its proper divisors (11376424343).

20202140423401 is a wasteful number, since it uses less digits than its factorization.

20202140423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428231.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20202140423401 its reverse (10432404120202), we get a palindrome (30634544543603).

The spelling of 20202140423401 in words is "twenty trillion, two hundred two billion, one hundred forty million, four hundred twenty-three thousand, four hundred one".