1004420120202 has 12 divisors (see below), whose sum is σ = 2176243593810. Its totient is φ = 334806706728.

The previous prime is 1004420120183. The next prime is 1004420120203. The reversal of 1004420120202 is 2020210244001.

1004420120202 is a `hidden beast` number, since 1 + 0 + 0 + 442 + 0 + 1 + 20 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 698877608121 + 305542512081 = 835989^2 + 552759^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 55801117789 = 1004420120202 / (1 + 0 + 0 + 4 + 4 + 2 + 0 + 1 + 2 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1004420120203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27900558877 + ... + 27900558912.

Almost surely, 2^{1004420120202} is an apocalyptic number.

1004420120202 is an abundant number, since it is smaller than the sum of its proper divisors (1171823473608).

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

1004420120202 is a wasteful number, since it uses less digits than its factorization.

1004420120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55801117797 (or 55801117794 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1004420120202 its reverse (2020210244001), we get a palindrome (3024630364203).

The spelling of 1004420120202 in words is "one trillion, four billion, four hundred twenty million, one hundred twenty thousand, two hundred two".