2020134210251 has 4 divisors (see below), whose sum is σ = 2021170710000. Its totient is φ = 2019097710504.

The previous prime is 2020134210247. The next prime is 2020134210271. The reversal of 2020134210251 is 1520124310202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020134210251 - 2² = 2020134210247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020134210221) 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, 518246951 + ... + 518250848.

It is an arithmetic number, because the mean of its divisors is an integer number (505292677500).

Almost surely, 2^{2020134210251} is an apocalyptic number.

2020134210251 is a deficient number, since it is larger than the sum of its proper divisors (1036499749).

2020134210251 is a wasteful number, since it uses less digits than its factorization.

2020134210251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036499748.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 2020134210251 its reverse (1520124310202), we get a palindrome (3540258520453).

The spelling of 2020134210251 in words is "two trillion, twenty billion, one hundred thirty-four million, two hundred ten thousand, two hundred fifty-one".