1420204004 has 48 divisors (see below), whose sum is σ = 2720043648. Its totient is φ = 646092288.

The previous prime is 1420204003. The next prime is 1420204007. The reversal of 1420204004 is 4004020241.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1420204003) 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, 408377 + ... + 411839.

It is an arithmetic number, because the mean of its divisors is an integer number (56667576).

Almost surely, 2^1420204004 is an apocalyptic number.

It is an amenable number.

1420204004 is a deficient number, since it is larger than the sum of its proper divisors (1299839644).

1420204004 is a wasteful number, since it uses less digits than its factorization.

1420204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1420204004 is about 37685.5941176466. The cubic root of 1420204004 is about 1124.0446880068.

Adding to 1420204004 its reverse (4004020241), we get a palindrome (5424224245).

The spelling of 1420204004 in words is "one billion, four hundred twenty million, two hundred four thousand, four".