1162020203520 has 352 divisors, whose sum is σ = 4267934081280. Its totient is φ = 266874716160.

The previous prime is 1162020203479. The next prime is 1162020203551. The reversal of 1162020203520 is 253020202611.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029254 + ... + 3391226.

Almost surely, 2^{1162020203520} is an apocalyptic number.

1162020203520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162020203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133967040640).

1162020203520 is an abundant number, since it is smaller than the sum of its proper divisors (3105913877760).

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

1162020203520 is a wasteful number, since it uses less digits than its factorization.

1162020203520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362031 (or 362013 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Subtracting from 1162020203520 its reverse (253020202611), we obtain a palindrome (909000000909).

The spelling of 1162020203520 in words is "one trillion, one hundred sixty-two billion, twenty million, two hundred three thousand, five hundred twenty".