20083406987 has 8 divisors (see below), whose sum is σ = 22959737856. Its totient is φ = 17208894312.

The previous prime is 20083406969. The next prime is 20083407017. The reversal of 20083406987 is 78960438002.

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 20083406987 - 2¹² = 20083402891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20083406587) 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, 430793 + ... + 475130.

It is an arithmetic number, because the mean of its divisors is an integer number (2869967232).

Almost surely, 2^20083406987 is an apocalyptic number.

20083406987 is a deficient number, since it is larger than the sum of its proper divisors (2876330869).

20083406987 is an equidigital number, since it uses as much as digits as its factorization.

20083406987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909097.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 20083406987 in words is "twenty billion, eighty-three million, four hundred six thousand, nine hundred eighty-seven".