20420202240001 has 16 divisors (see below), whose sum is σ = 20830567958784. Its totient is φ = 20010772023424.

The previous prime is 20420202239981. The next prime is 20420202240007. The reversal of 20420202240001 is 10004220202402.

It is a cyclic number.

It is not a de Polignac number, because 20420202240001 - 2¹⁹ = 20420201715713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20420202240007) 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, 366010830 + ... + 366066616.

It is an arithmetic number, because the mean of its divisors is an integer number (1301910497424).

Almost surely, 2^{20420202240001} is an apocalyptic number.

It is an amenable number.

20420202240001 is a deficient number, since it is larger than the sum of its proper divisors (410365718783).

20420202240001 is an equidigital number, since it uses as much as digits as its factorization.

20420202240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64040.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20420202240001 its reverse (10004220202402), we get a palindrome (30424422442403).

The spelling of 20420202240001 in words is "twenty trillion, four hundred twenty billion, two hundred two million, two hundred forty thousand, one".