20040029001 has 6 divisors (see below), whose sum is σ = 28946708570. Its totient is φ = 13360019328.

The previous prime is 20040028889. The next prime is 20040029017. The reversal of 20040029001 is 10092004002.

It can be written as a sum of positive squares in only one way, i.e., 17576395776 + 2463633225 = 132576^2 + 49635^2 .

It is not a de Polignac number, because 20040029001 - 2²⁵ = 20006474569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040009001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113334936 + ... + 1113334953.

Almost surely, 2^20040029001 is an apocalyptic number.

It is an amenable number.

20040029001 is a deficient number, since it is larger than the sum of its proper divisors (8906679569).

20040029001 is a wasteful number, since it uses less digits than its factorization.

20040029001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226669895 (or 2226669892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 20040029001 in words is "twenty billion, forty million, twenty-nine thousand, one".