20230001001 has 12 divisors (see below), whose sum is σ = 33395557312. Its totient is φ = 11560000536.

The previous prime is 20230000979. The next prime is 20230001009. The reversal of 20230001001 is 10010003202.

It is a happy number.

It is not a de Polignac number, because 20230001001 - 2¹⁸ = 20229738857 is a prime.

It is a super-2 number, since 2×20230001001² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20230001009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160555501 + ... + 160555626.

Almost surely, 2^20230001001 is an apocalyptic number.

20230001001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20230001001 is a deficient number, since it is larger than the sum of its proper divisors (13165556311).

20230001001 is a wasteful number, since it uses less digits than its factorization.

20230001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321111140 (or 321111137 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20230001001 its reverse (10010003202), we get a palindrome (30240004203).

The spelling of 20230001001 in words is "twenty billion, two hundred thirty million, one thousand, one".