20113001229 has 16 divisors (see below), whose sum is σ = 26937175104. Its totient is φ = 13348800000.

The previous prime is 20113001219. The next prime is 20113001239. The reversal of 20113001229 is 92210031102.

It is an interprime number because it is at equal distance from previous prime (20113001219) and next prime (20113001239).

It is not a de Polignac number, because 20113001229 - 2⁴ = 20113001213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113001219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947379 + ... + 1957679.

It is an arithmetic number, because the mean of its divisors is an integer number (1683573444).

Almost surely, 2^20113001229 is an apocalyptic number.

It is an amenable number.

20113001229 is a deficient number, since it is larger than the sum of its proper divisors (6824173875).

20113001229 is a wasteful number, since it uses less digits than its factorization.

20113001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13148.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 20113001229 in words is "twenty billion, one hundred thirteen million, one thousand, two hundred twenty-nine".