20361802929121 has 12 divisors (see below), whose sum is σ = 21322867886320. Its totient is φ = 19442397391560.

The previous prime is 20361802929101. The next prime is 20361802929151. The reversal of 20361802929121 is 12192920816302.

It is not a de Polignac number, because 20361802929121 - 2⁷ = 20361802928993 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20361802929101) 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, 33402951 + ... + 34007068.

Almost surely, 2^{20361802929121} is an apocalyptic number.

It is an amenable number.

20361802929121 is a deficient number, since it is larger than the sum of its proper divisors (961064957199).

20361802929121 is an equidigital number, since it uses as much as digits as its factorization.

20361802929121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67410636 (or 67410613 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 20361802929121 in words is "twenty trillion, three hundred sixty-one billion, eight hundred two million, nine hundred twenty-nine thousand, one hundred twenty-one".