20011121202232 has 8 divisors (see below), whose sum is σ = 37520852254200. Its totient is φ = 10005560601112.

The previous prime is 20011121202227. The next prime is 20011121202253. The reversal of 20011121202232 is 23220212111002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250695075132 + ... + 1250695075147.

It is an arithmetic number, because the mean of its divisors is an integer number (4690106531775).

Almost surely, 2^{20011121202232} is an apocalyptic number.

It is an amenable number.

20011121202232 is a deficient number, since it is larger than the sum of its proper divisors (17509731051968).

20011121202232 is a wasteful number, since it uses less digits than its factorization.

20011121202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501390150285 (or 2501390150281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20011121202232 its reverse (23220212111002), we get a palindrome (43231333313234).

The spelling of 20011121202232 in words is "twenty trillion, eleven billion, one hundred twenty-one million, two hundred two thousand, two hundred thirty-two".