1420220604 has 48 divisors (see below), whose sum is σ = 3660894720. Its totient is φ = 424919040.

The previous prime is 1420220603. The next prime is 1420220611. The reversal of 1420220604 is 4060220241.

It is a super-2 number, since 2×1420220604² = 4034053128052249632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420220603) 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, 57669 + ... + 78524.

It is an arithmetic number, because the mean of its divisors is an integer number (76268640).

Almost surely, 2^1420220604 is an apocalyptic number.

It is an amenable number.

1420220604 is an abundant number, since it is smaller than the sum of its proper divisors (2240674116).

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

1420220604 is a wasteful number, since it uses less digits than its factorization.

1420220604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136290 (or 136288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420220604 is about 37685.8143603134. The cubic root of 1420220604 is about 1124.0490674408.

Adding to 1420220604 its reverse (4060220241), we get a palindrome (5480440845).

The spelling of 1420220604 in words is "one billion, four hundred twenty million, two hundred twenty thousand, six hundred four".