20106563001 has 16 divisors (see below), whose sum is σ = 31007714304. Its totient is φ = 11351036304.

The previous prime is 20106562969. The next prime is 20106563033. The reversal of 20106563001 is 10036560102.

It is an interprime number because it is at equal distance from previous prime (20106562969) and next prime (20106563033).

It is not a de Polignac number, because 20106563001 - 2⁵ = 20106562969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20106563101) 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, 5766061 + ... + 5769546.

It is an arithmetic number, because the mean of its divisors is an integer number (1937982144).

Almost surely, 2^20106563001 is an apocalyptic number.

20106563001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20106563001 is a deficient number, since it is larger than the sum of its proper divisors (10901151303).

20106563001 is a wasteful number, since it uses less digits than its factorization.

20106563001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535700.

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 20106563001 in words is "twenty billion, one hundred six million, five hundred sixty-three thousand, one".