1135202420 has 24 divisors (see below), whose sum is σ = 2600646048. Its totient is φ = 412800800.

The previous prime is 1135202399. The next prime is 1135202459. The reversal of 1135202420 is 242025311.

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 = 1135202392 and 1135202401.

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, 2579786 + ... + 2580225.

It is an arithmetic number, because the mean of its divisors is an integer number (108360252).

Almost surely, 2^1135202420 is an apocalyptic number.

1135202420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135202420 is an abundant number, since it is smaller than the sum of its proper divisors (1465443628).

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

1135202420 is a wasteful number, since it uses less digits than its factorization.

1135202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160031 (or 5160029 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1135202420 is about 33692.7650987567. The cubic root of 1135202420 is about 1043.1764385765.

Adding to 1135202420 its reverse (242025311), we get a palindrome (1377227731).

The spelling of 1135202420 in words is "one billion, one hundred thirty-five million, two hundred two thousand, four hundred twenty".