20040121034829 has 48 divisors (see below), whose sum is σ = 33108974545920. Its totient is φ = 11442199242240.

The previous prime is 20040121034809. The next prime is 20040121034831. The reversal of 20040121034829 is 92843012104002.

20040121034829 is a `hidden beast` number, since 2 + 0 + 0 + 401 + 210 + 34 + 8 + 2 + 9 = 666.

It is not a de Polignac number, because 20040121034829 - 2⁸ = 20040121034573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20040121034793 and 20040121034802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040121034809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 713640069 + ... + 713668149.

It is an arithmetic number, because the mean of its divisors is an integer number (689770303040).

Almost surely, 2^{20040121034829} is an apocalyptic number.

It is an amenable number.

20040121034829 is a deficient number, since it is larger than the sum of its proper divisors (13068853511091).

20040121034829 is a wasteful number, since it uses less digits than its factorization.

20040121034829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36890 (or 36887 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 20040121034829 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-four thousand, eight hundred twenty-nine".