20213103129 has 8 divisors (see below), whose sum is σ = 27275512992. Its totient is φ = 13313047680.

The previous prime is 20213103121. The next prime is 20213103137. The reversal of 20213103129 is 92130131202.

It is an interprime number because it is at equal distance from previous prime (20213103121) and next prime (20213103137).

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

It is not a de Polignac number, because 20213103129 - 2³ = 20213103121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20213103099 and 20213103108.

It is not an unprimeable number, because it can be changed into a prime (20213103121) 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, 40588312 + ... + 40588809.

It is an arithmetic number, because the mean of its divisors is an integer number (3409439124).

Almost surely, 2^20213103129 is an apocalyptic number.

It is an amenable number.

20213103129 is a deficient number, since it is larger than the sum of its proper divisors (7062409863).

20213103129 is an equidigital number, since it uses as much as digits as its factorization.

20213103129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81177207.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 20213103129 in words is "twenty billion, two hundred thirteen million, one hundred three thousand, one hundred twenty-nine".