20041243012 has 24 divisors (see below), whose sum is σ = 40085700480. Its totient is φ = 8588415360.

The previous prime is 20041243003. The next prime is 20041243021. The reversal of 20041243012 is 21034214002.

It is an interprime number because it is at equal distance from previous prime (20041243003) and next prime (20041243021).

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, 493164 + ... + 532252.

It is an arithmetic number, because the mean of its divisors is an integer number (1670237520).

Almost surely, 2^20041243012 is an apocalyptic number.

It is an amenable number.

20041243012 is an abundant number, since it is smaller than the sum of its proper divisors (20044457468).

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

20041243012 is a wasteful number, since it uses less digits than its factorization.

20041243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57411 (or 57409 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20041243012 its reverse (21034214002), we get a palindrome (41075457014).

The spelling of 20041243012 in words is "twenty billion, forty-one million, two hundred forty-three thousand, twelve".