20040029019 has 32 divisors (see below), whose sum is σ = 30714286080. Its totient is φ = 12900513600.

The previous prime is 20040029017. The next prime is 20040029033. The reversal of 20040029019 is 91092004002.

It is not a de Polignac number, because 20040029019 - 2¹ = 20040029017 is a prime.

It is a super-2 number, since 2×20040029019² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20040028983 and 20040029001.

It is not an unprimeable number, because it can be changed into a prime (20040029017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356314 + ... + 408704.

It is an arithmetic number, because the mean of its divisors is an integer number (959821440).

Almost surely, 2^20040029019 is an apocalyptic number.

20040029019 is a deficient number, since it is larger than the sum of its proper divisors (10674257061).

20040029019 is a wasteful number, since it uses less digits than its factorization.

20040029019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52888 (or 52882 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

It can be divided in two parts, 2004002 and 9019, that added together give a triangular number (2013021 = T₂₀₀₆).

The spelling of 20040029019 in words is "twenty billion, forty million, twenty-nine thousand, nineteen".