1202322420 has 96 divisors (see below), whose sum is σ = 4028317440. Its totient is φ = 295954560.

The previous prime is 1202322403. The next prime is 1202322427. The reversal of 1202322420 is 242232021.

1202322420 is a `hidden beast` number, since 12 + 0 + 232 + 2 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1202322393 and 1202322402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202322427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78616 + ... + 92655.

It is an arithmetic number, because the mean of its divisors is an integer number (41961640).

Almost surely, 2^1202322420 is an apocalyptic number.

1202322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202322420 is an abundant number, since it is smaller than the sum of its proper divisors (2825995020).

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

1202322420 is a wasteful number, since it uses less digits than its factorization.

1202322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171302 (or 171294 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1202322420 is about 34674.5211935219. The cubic root of 1202322420 is about 1063.3436661590.

Adding to 1202322420 its reverse (242232021), we get a palindrome (1444554441).

It can be divided in two parts, 12023 and 22420, that added together give a palindrome (34443).

The spelling of 1202322420 in words is "one billion, two hundred two million, three hundred twenty-two thousand, four hundred twenty".