20301341240 has 16 divisors (see below), whose sum is σ = 45678017880. Its totient is φ = 8120536480.

The previous prime is 20301341209. The next prime is 20301341243. The reversal of 20301341240 is 4214310302.

It is a super-2 number, since 2×20301341240² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301341243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253766726 + ... + 253766805.

Almost surely, 2^20301341240 is an apocalyptic number.

20301341240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301341240 is an abundant number, since it is smaller than the sum of its proper divisors (25376676640).

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

20301341240 is a wasteful number, since it uses less digits than its factorization.

20301341240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507533542 (or 507533538 counting only the distinct ones).

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

Adding to 20301341240 its reverse (4214310302), we get a palindrome (24515651542).

The spelling of 20301341240 in words is "twenty billion, three hundred one million, three hundred forty-one thousand, two hundred forty".