20199520814 has 16 divisors (see below), whose sum is σ = 33822455040. Its totient is φ = 8968074360.

The previous prime is 20199520807. The next prime is 20199520841. The reversal of 20199520814 is 41802599102.

It is a super-3 number, since 3×20199520814³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10675334 + ... + 10677225.

It is an arithmetic number, because the mean of its divisors is an integer number (2113903440).

Almost surely, 2^20199520814 is an apocalyptic number.

20199520814 is a deficient number, since it is larger than the sum of its proper divisors (13622934226).

20199520814 is a wasteful number, since it uses less digits than its factorization.

20199520814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21352615.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 20199520814 in words is "twenty billion, one hundred ninety-nine million, five hundred twenty thousand, eight hundred fourteen".