20133241400 has 48 divisors (see below), whose sum is σ = 48319794240. Its totient is φ = 7793510400.

The previous prime is 20133241363. The next prime is 20133241417. The reversal of 20133241400 is 414233102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617449 + ... + 1629848.

It is an arithmetic number, because the mean of its divisors is an integer number (1006662380).

Almost surely, 2^20133241400 is an apocalyptic number.

20133241400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133241400 is an abundant number, since it is smaller than the sum of its proper divisors (28186552840).

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

20133241400 is a wasteful number, since it uses less digits than its factorization.

20133241400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247344 (or 3247335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20133241400 its reverse (414233102), we get a palindrome (20547474502).

The spelling of 20133241400 in words is "twenty billion, one hundred thirty-three million, two hundred forty-one thousand, four hundred".