20412242001 has 16 divisors (see below), whose sum is σ = 30977929920. Its totient is φ = 13276254240.

The previous prime is 20412241981. The next prime is 20412242003. The reversal of 20412242001 is 10024221402.

It is not a de Polignac number, because 20412242001 - 2¹⁸ = 20411979857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20412242003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9218515 + ... + 9220728.

It is an arithmetic number, because the mean of its divisors is an integer number (1936120620).

Almost surely, 2^20412242001 is an apocalyptic number.

It is an amenable number.

20412242001 is a deficient number, since it is larger than the sum of its proper divisors (10565687919).

20412242001 is a wasteful number, since it uses less digits than its factorization.

20412242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439293 (or 18439287 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20412242001 its reverse (10024221402), we get a palindrome (30436463403).

The spelling of 20412242001 in words is "twenty billion, four hundred twelve million, two hundred forty-two thousand, one".