20373376699 has 16 divisors (see below), whose sum is σ = 22732809120. Its totient is φ = 18129162240.

The previous prime is 20373376687. The next prime is 20373376721. The reversal of 20373376699 is 99667337302.

It is a cyclic number.

It is not a de Polignac number, because 20373376699 - 2¹⁵ = 20373343931 is a prime.

It is a super-2 number, since 2×20373376699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20373376679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199504 + ... + 283810.

It is an arithmetic number, because the mean of its divisors is an integer number (1420800570).

Almost surely, 2^20373376699 is an apocalyptic number.

20373376699 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20373376699 is a deficient number, since it is larger than the sum of its proper divisors (2359432421).

20373376699 is a wasteful number, since it uses less digits than its factorization.

20373376699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84990.

The product of its (nonzero) digits is 7715736, while the sum is 55.

The spelling of 20373376699 in words is "twenty billion, three hundred seventy-three million, three hundred seventy-six thousand, six hundred ninety-nine".