1204502420 has 24 divisors (see below), whose sum is σ = 2759406048. Its totient is φ = 438000800.

The previous prime is 1204502413. The next prime is 1204502437. The reversal of 1204502420 is 242054021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204502392 and 1204502401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737286 + ... + 2737725.

It is an arithmetic number, because the mean of its divisors is an integer number (114975252).

Almost surely, 2^1204502420 is an apocalyptic number.

1204502420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204502420 is an abundant number, since it is smaller than the sum of its proper divisors (1554903628).

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

1204502420 is a wasteful number, since it uses less digits than its factorization.

1204502420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475031 (or 5475029 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1204502420 is about 34705.9421425208. The cubic root of 1204502420 is about 1063.9859480026.

Adding to 1204502420 its reverse (242054021), we get a palindrome (1446556441).

The spelling of 1204502420 in words is "one billion, two hundred four million, five hundred two thousand, four hundred twenty".