1162102020 has 24 divisors (see below), whose sum is σ = 3253885824. Its totient is φ = 309893856.

The previous prime is 1162101977. The next prime is 1162102021. The reversal of 1162102020 is 202012611.

It is a super-2 number, since 2×1162102020² = 2700962209776160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1162102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9684124 + ... + 9684243.

It is an arithmetic number, because the mean of its divisors is an integer number (135578576).

Almost surely, 2^1162102020 is an apocalyptic number.

1162102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162102020 is an abundant number, since it is smaller than the sum of its proper divisors (2091783804).

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

1162102020 is a wasteful number, since it uses less digits than its factorization.

1162102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19368379 (or 19368377 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1162102020 is about 34089.6174809868. The cubic root of 1162102020 is about 1051.3518551370.

Adding to 1162102020 its reverse (202012611), we get a palindrome (1364114631).

The spelling of 1162102020 in words is "one billion, one hundred sixty-two million, one hundred two thousand, twenty".