20133401540 has 48 divisors (see below), whose sum is σ = 48334406400. Its totient is φ = 6900845952.

The previous prime is 20133401539. The next prime is 20133401551. The reversal of 20133401540 is 4510433102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501326 + ... + 539994.

It is an arithmetic number, because the mean of its divisors is an integer number (1006966800).

Almost surely, 2^20133401540 is an apocalyptic number.

20133401540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133401540 is an abundant number, since it is smaller than the sum of its proper divisors (28201004860).

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

20133401540 is a wasteful number, since it uses less digits than its factorization.

20133401540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42404 (or 42402 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20133401540 its reverse (4510433102), we get a palindrome (24643834642).

The spelling of 20133401540 in words is "twenty billion, one hundred thirty-three million, four hundred one thousand, five hundred forty".