2020404040402 has 32 divisors (see below), whose sum is σ = 3539106950400. Its totient is φ = 855284158800.

The previous prime is 2020404040399. The next prime is 2020404040409. The reversal of 2020404040402 is 2040404040202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2020404040409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40937224 + ... + 40986547.

It is an arithmetic number, because the mean of its divisors is an integer number (110597092200).

Almost surely, 2^{2020404040402} is an apocalyptic number.

2020404040402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2020404040402 is a deficient number, since it is larger than the sum of its proper divisors (1518702909998).

2020404040402 is a wasteful number, since it uses less digits than its factorization.

2020404040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81923862.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2020404040402 its reverse (2040404040202), we get a palindrome (4060808080604).

The spelling of 2020404040402 in words is "two trillion, twenty billion, four hundred four million, forty thousand, four hundred two".