20001430303040 has 56 divisors (see below), whose sum is σ = 49699206184320. Its totient is φ = 7652721156608.

The previous prime is 20001430303037. The next prime is 20001430303163. The reversal of 20001430303040 is 4030303410002.

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 7 ways as a sum of consecutive naturals, for example, 1358785460 + ... + 1358800179.

It is an arithmetic number, because the mean of its divisors is an integer number (887485824720).

Almost surely, 2^{20001430303040} is an apocalyptic number.

20001430303040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001430303040 is an abundant number, since it is smaller than the sum of its proper divisors (29697775881280).

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

20001430303040 is a wasteful number, since it uses less digits than its factorization.

20001430303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717585679 (or 2717585669 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20001430303040 its reverse (4030303410002), we get a palindrome (24031733713042).

The spelling of 20001430303040 in words is "twenty trillion, one billion, four hundred thirty million, three hundred three thousand, forty".