20011202199969 has 8 divisors (see below), whose sum is σ = 26695727664480. Its totient is φ = 13333739101056.

The previous prime is 20011202199953. The next prime is 20011202199979. The reversal of 20011202199969 is 96999120211002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20011202199969 - 2⁴ = 20011202199953 is a prime.

It is a super-2 number, since 2×20011202199969² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011202199979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765584787 + ... + 1765596120.

It is an arithmetic number, because the mean of its divisors is an integer number (3336965958060).

Almost surely, 2^{20011202199969} is an apocalyptic number.

It is an amenable number.

20011202199969 is a deficient number, since it is larger than the sum of its proper divisors (6684525464511).

20011202199969 is a wasteful number, since it uses less digits than its factorization.

20011202199969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531182799.

The product of its (nonzero) digits is 314928, while the sum is 51.

The spelling of 20011202199969 in words is "twenty trillion, eleven billion, two hundred two million, one hundred ninety-nine thousand, nine hundred sixty-nine".