20011652153 has 4 divisors (see below), whose sum is σ = 21188808180. Its totient is φ = 18834496128.

The previous prime is 20011652149. The next prime is 20011652173. The reversal of 20011652153 is 35125611002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35125611002 = 2 ⋅17562805501.

It can be written as a sum of positive squares in 2 ways, for example, as 17656297129 + 2355355024 = 132877^2 + 48532^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011652153 - 2² = 20011652149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011652123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588577988 + ... + 588578021.

It is an arithmetic number, because the mean of its divisors is an integer number (5297202045).

Almost surely, 2^20011652153 is an apocalyptic number.

It is an amenable number.

20011652153 is a deficient number, since it is larger than the sum of its proper divisors (1177156027).

20011652153 is a wasteful number, since it uses less digits than its factorization.

20011652153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177156026.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 20011652153 in words is "twenty billion, eleven million, six hundred fifty-two thousand, one hundred fifty-three".