20234091 has 8 divisors (see below), whose sum is σ = 27173440. Its totient is φ = 13392072.

The previous prime is 20234087. The next prime is 20234101. The reversal of 20234091 is 19043202.

20234091 = T₂₃₄ + T₂₃₅ + ... + T₅₁₁.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20234091 - 2² = 20234087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20234891) 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, 23845 + ... + 24678.

It is an arithmetic number, because the mean of its divisors is an integer number (3396680).

Almost surely, 2^20234091 is an apocalyptic number.

20234091 is a deficient number, since it is larger than the sum of its proper divisors (6939349).

20234091 is a wasteful number, since it uses less digits than its factorization.

20234091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48665.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20234091 is about 4498.2319860141. The cubic root of 20234091 is about 272.4966910352.

Adding to 20234091 its reverse (19043202), we get a palindrome (39277293).

The spelling of 20234091 in words is "twenty million, two hundred thirty-four thousand, ninety-one".