20301000240 has 160 divisors (see below), whose sum is σ = 63396228096. Its totient is φ = 5373941760.

The previous prime is 20301000233. The next prime is 20301000253. The reversal of 20301000240 is 4200010302.

It is a super-2 number, since 2×20301000240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29722939 + ... + 29723621.

Almost surely, 2^20301000240 is an apocalyptic number.

20301000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20301000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31698114048).

20301000240 is an abundant number, since it is smaller than the sum of its proper divisors (43095227856).

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

20301000240 is a wasteful number, since it uses less digits than its factorization.

20301000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20301000240 its reverse (4200010302), we get a palindrome (24501010542).

The spelling of 20301000240 in words is "twenty billion, three hundred one million, two hundred forty", and thus it is an aban number.