20153073 has 8 divisors (see below), whose sum is σ = 27021600. Its totient is φ = 13359968.

The previous prime is 20153051. The next prime is 20153093. The reversal of 20153073 is 37035102.

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 20153073 - 2⁶ = 20153009 is a prime.

It is a super-2 number, since 2×20153073² = 812292702686658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20153033) 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, 18228 + ... + 19301.

It is an arithmetic number, because the mean of its divisors is an integer number (3377700).

Almost surely, 2^20153073 is an apocalyptic number.

It is an amenable number.

20153073 is a deficient number, since it is larger than the sum of its proper divisors (6868527).

20153073 is a wasteful number, since it uses less digits than its factorization.

20153073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37711.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 20153073 is about 4489.2174150959. The cubic root of 20153073 is about 272.1325091452.

Adding to 20153073 its reverse (37035102), we get a palindrome (57188175).

The spelling of 20153073 in words is "twenty million, one hundred fifty-three thousand, seventy-three".