20738087 has 8 divisors (see below), whose sum is σ = 21606480. Its totient is φ = 19887040.

The previous prime is 20738057. The next prime is 20738119. The reversal of 20738087 is 78083702.

It is a happy number.

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 20738087 - 2⁸ = 20737831 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 (20738057) 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, 1868 + ... + 6705.

It is an arithmetic number, because the mean of its divisors is an integer number (2700810).

Almost surely, 2^20738087 is an apocalyptic number.

20738087 is a deficient number, since it is larger than the sum of its proper divisors (868393).

20738087 is an equidigital number, since it uses as much as digits as its factorization.

20738087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 20738087 is about 4553.9089802059. The cubic root of 20738087 is about 274.7406347964.

The spelling of 20738087 in words is "twenty million, seven hundred thirty-eight thousand, eighty-seven".