20213020341040 has 20 divisors (see below), whose sum is σ = 46995272293104. Its totient is φ = 8085208136384.

The previous prime is 20213020341023. The next prime is 20213020341047. The reversal of 20213020341040 is 4014302031202.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (20213020341047) 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, 126331377052 + ... + 126331377211.

Almost surely, 2^{20213020341040} is an apocalyptic number.

20213020341040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213020341040 is an abundant number, since it is smaller than the sum of its proper divisors (26782251952064).

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

20213020341040 is a wasteful number, since it uses less digits than its factorization.

20213020341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252662754276 (or 252662754270 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20213020341040 its reverse (4014302031202), we get a palindrome (24227322372242).

The spelling of 20213020341040 in words is "twenty trillion, two hundred thirteen billion, twenty million, three hundred forty-one thousand, forty".