20012153 has 8 divisors (see below), whose sum is σ = 23489472. Its totient is φ = 16689456.

The previous prime is 20012119. The next prime is 20012171. The reversal of 20012153 is 35121002.

It is a happy number.

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

It is not a de Polignac number, because 20012153 - 2¹⁶ = 19946617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38375 + ... + 38892.

It is an arithmetic number, because the mean of its divisors is an integer number (2936184).

Almost surely, 2^20012153 is an apocalyptic number.

It is an amenable number.

20012153 is a deficient number, since it is larger than the sum of its proper divisors (3477319).

20012153 is an equidigital number, since it uses as much as digits as its factorization.

20012153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77311.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20012153 is about 4473.4944953582. The cubic root of 20012153 is about 271.4967310558.

Adding to 20012153 its reverse (35121002), we get a palindrome (55133155).

The spelling of 20012153 in words is "twenty million, twelve thousand, one hundred fifty-three".