99920014 has 4 divisors (see below), whose sum is σ = 149880024. Its totient is φ = 49960006.

The previous prime is 99919997. The next prime is 99920021. The reversal of 99920014 is 41002999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41002999 = 317 ⋅129347.

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, 24980002 + ... + 24980005.

It is an arithmetic number, because the mean of its divisors is an integer number (37470006).

Almost surely, 2^99920014 is an apocalyptic number.

99920014 is a deficient number, since it is larger than the sum of its proper divisors (49960010).

99920014 is a wasteful number, since it uses less digits than its factorization.

99920014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49960009.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 99920014 is about 9995.9998999600. Note that the first 3 decimals coincide. The cubic root of 99920014 is about 464.0350963098.

The spelling of 99920014 in words is "ninety-nine million, nine hundred twenty thousand, fourteen".