20253020205 has 64 divisors (see below), whose sum is σ = 35677863936. Its totient is φ = 9729216000.

The previous prime is 20253020201. The next prime is 20253020219. The reversal of 20253020205 is 50202035202.

It is not a de Polignac number, because 20253020205 - 2² = 20253020201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20253020201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8854572 + ... + 8856858.

It is an arithmetic number, because the mean of its divisors is an integer number (557466624).

Almost surely, 2^20253020205 is an apocalyptic number.

It is an amenable number.

20253020205 is a deficient number, since it is larger than the sum of its proper divisors (15424843731).

20253020205 is a wasteful number, since it uses less digits than its factorization.

20253020205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 20253020205 its reverse (50202035202), we get a palindrome (70455055407).

The spelling of 20253020205 in words is "twenty billion, two hundred fifty-three million, twenty thousand, two hundred five".