20040121034032 has 30 divisors (see below), whose sum is σ = 42678418921124. Its totient is φ = 9109145923680.

The previous prime is 20040121034027. The next prime is 20040121034119. The reversal of 20040121034032 is 23043012104002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20040121033994 and 20040121034012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5175649158 + ... + 5175653029.

Almost surely, 2^{20040121034032} is an apocalyptic number.

20040121034032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20040121034032 is an abundant number, since it is smaller than the sum of its proper divisors (22638297887092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20040121034032 is a wasteful number, since it uses less digits than its factorization.

20040121034032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351302217 (or 10351302200 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20040121034032 its reverse (23043012104002), we get a palindrome (43083133138034).

The spelling of 20040121034032 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-four thousand, thirty-two".