2020434402 has 64 divisors (see below), whose sum is σ = 4921565184. Its totient is φ = 540408000.

The previous prime is 2020434391. The next prime is 2020434419. The reversal of 2020434402 is 2044340202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23152 + ... + 67652.

It is an arithmetic number, because the mean of its divisors is an integer number (76899456).

Almost surely, 2^2020434402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020434402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460782592).

2020434402 is an abundant number, since it is smaller than the sum of its proper divisors (2901130782).

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

2020434402 is a wasteful number, since it uses less digits than its factorization.

2020434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44583.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2020434402 is about 44949.2425075217. The cubic root of 2020434402 is about 1264.1974739708.

Adding to 2020434402 its reverse (2044340202), we get a palindrome (4064774604).

The spelling of 2020434402 in words is "two billion, twenty million, four hundred thirty-four thousand, four hundred two".