20295137 has 8 divisors (see below), whose sum is σ = 20699712. Its totient is φ = 19894000.

The previous prime is 20295133. The next prime is 20295167. The reversal of 20295137 is 73159202.

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 20295137 - 2² = 20295133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20295133) 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, 13262 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (2587464).

Almost surely, 2^20295137 is an apocalyptic number.

It is an amenable number.

20295137 is a deficient number, since it is larger than the sum of its proper divisors (404575).

20295137 is a wasteful number, since it uses less digits than its factorization.

20295137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 20295137 is about 4505.0124306155. The cubic root of 20295137 is about 272.7704556100.

The spelling of 20295137 in words is "twenty million, two hundred ninety-five thousand, one hundred thirty-seven".