20102020001 has 32 divisors (see below), whose sum is σ = 23699029248. Its totient is φ = 16697318400.

The previous prime is 20102019997. The next prime is 20102020009. The reversal of 20102020001 is 10002020102.

It is not a de Polignac number, because 20102020001 - 2² = 20102019997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102020009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7069286 + ... + 7072128.

It is an arithmetic number, because the mean of its divisors is an integer number (740594664).

Almost surely, 2^20102020001 is an apocalyptic number.

It is an amenable number.

20102020001 is a deficient number, since it is larger than the sum of its proper divisors (3597009247).

20102020001 is a wasteful number, since it uses less digits than its factorization.

20102020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20102020001 its reverse (10002020102), we get a palindrome (30104040103).

The spelling of 20102020001 in words is "twenty billion, one hundred two million, twenty thousand, one".