2020134021402 has 64 divisors (see below), whose sum is σ = 4847767787520. Its totient is φ = 548699241024.

The previous prime is 2020134021401. The next prime is 2020134021407. The reversal of 2020134021402 is 2041204310202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2020134021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6257377 + ... + 6572292.

It is an arithmetic number, because the mean of its divisors is an integer number (75746371680).

Almost surely, 2^{2020134021402} is an apocalyptic number.

2020134021402 is an abundant number, since it is smaller than the sum of its proper divisors (2827633766118).

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

2020134021402 is a wasteful number, since it uses less digits than its factorization.

2020134021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829867.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2020134021402 its reverse (2041204310202), we get a palindrome (4061338331604).

The spelling of 2020134021402 in words is "two trillion, twenty billion, one hundred thirty-four million, twenty-one thousand, four hundred two".