20413334140 has 24 divisors (see below), whose sum is σ = 42889487760. Its totient is φ = 8161241088.

The previous prime is 20413334131. The next prime is 20413334189. The reversal of 20413334140 is 4143331402.

It is a super-2 number, since 2×20413334140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214725 + ... + 294844.

It is an arithmetic number, because the mean of its divisors is an integer number (1787061990).

Almost surely, 2^20413334140 is an apocalyptic number.

20413334140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413334140 is an abundant number, since it is smaller than the sum of its proper divisors (22476153620).

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

20413334140 is a wasteful number, since it uses less digits than its factorization.

20413334140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511581 (or 511579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20413334140 its reverse (4143331402), we get a palindrome (24556665542).

The spelling of 20413334140 in words is "twenty billion, four hundred thirteen million, three hundred thirty-four thousand, one hundred forty".