99020019901 has 8 divisors (see below), whose sum is σ = 114376065984. Its totient is φ = 84723011520.

The previous prime is 99020019899. The next prime is 99020019919. The reversal of 99020019901 is 10991002099.

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

It is not a de Polignac number, because 99020019901 - 2¹ = 99020019899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99020019941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264759225 + ... + 264759598.

It is an arithmetic number, because the mean of its divisors is an integer number (14297008248).

Almost surely, 2^99020019901 is an apocalyptic number.

It is an amenable number.

99020019901 is a deficient number, since it is larger than the sum of its proper divisors (15356046083).

99020019901 is a wasteful number, since it uses less digits than its factorization.

99020019901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529518851.

The product of its (nonzero) digits is 13122, while the sum is 40.

It can be divided in two parts, 990200 and 19901, that added together give a palindrome (1010101).

The spelling of 99020019901 in words is "ninety-nine billion, twenty million, nineteen thousand, nine hundred one".