20012020010099 has 8 divisors (see below), whose sum is σ = 21559408952592. Its totient is φ = 18465774323040.

The previous prime is 20012020010071. The next prime is 20012020010161. The reversal of 20012020010099 is 99001002021002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20012020010099 - 2¹⁶ = 20012019944563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012020010699) 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, 285777497 + ... + 285847514.

It is an arithmetic number, because the mean of its divisors is an integer number (2694926119074).

Almost surely, 2^{20012020010099} is an apocalyptic number.

20012020010099 is a deficient number, since it is larger than the sum of its proper divisors (1547388942493).

20012020010099 is a wasteful number, since it uses less digits than its factorization.

20012020010099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571627717.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 20012020010099 in words is "twenty trillion, twelve billion, twenty million, ten thousand, ninety-nine".