20252020429 has 8 divisors (see below), whose sum is σ = 20636736120. Its totient is φ = 19867401216.

The previous prime is 20252020427. The next prime is 20252020463. The reversal of 20252020429 is 92402025202.

It can be written as a sum of positive squares in 4 ways, for example, as 5989212100 + 14262808329 = 77390^2 + 119427^2 .

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 20252020429 - 2¹ = 20252020427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20252020397 and 20252020406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252020427) 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, 511389 + ... + 549565.

It is an arithmetic number, because the mean of its divisors is an integer number (2579592015).

Almost surely, 2^20252020429 is an apocalyptic number.

It is an amenable number.

20252020429 is a deficient number, since it is larger than the sum of its proper divisors (384715691).

20252020429 is a wasteful number, since it uses less digits than its factorization.

20252020429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48239.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20252020429 in words is "twenty billion, two hundred fifty-two million, twenty thousand, four hundred twenty-nine".