20533241400 has 96 divisors (see below), whose sum is σ = 72746355840. Its totient is φ = 4693311360.

The previous prime is 20533241387. The next prime is 20533241401. The reversal of 20533241400 is 414233502.

It is a super-2 number, since 2×20533241400² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533241401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2440234 + ... + 2448633.

It is an arithmetic number, because the mean of its divisors is an integer number (757774540).

Almost surely, 2^20533241400 is an apocalyptic number.

20533241400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533241400 is an abundant number, since it is smaller than the sum of its proper divisors (52213114440).

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

20533241400 is a wasteful number, since it uses less digits than its factorization.

20533241400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888893 (or 4888884 counting only the distinct ones).

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

Adding to 20533241400 its reverse (414233502), we get a palindrome (20947474902).

The spelling of 20533241400 in words is "twenty billion, five hundred thirty-three million, two hundred forty-one thousand, four hundred".