20152443300 has 72 divisors (see below), whose sum is σ = 63608449632. Its totient is φ = 4885440000.

The previous prime is 20152443299. The next prime is 20152443313. The reversal of 20152443300 is 334425102.

It is a super-2 number, since 2×20152443300² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3050101 + ... + 3056700.

Almost surely, 2^20152443300 is an apocalyptic number.

20152443300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20152443300 is an abundant number, since it is smaller than the sum of its proper divisors (43456006332).

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

20152443300 is a wasteful number, since it uses less digits than its factorization.

20152443300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106829 (or 6106822 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20152443300 its reverse (334425102), we get a palindrome (20486868402).

The spelling of 20152443300 in words is "twenty billion, one hundred fifty-two million, four hundred forty-three thousand, three hundred".