20541203052 has 12 divisors (see below), whose sum is σ = 47929473816. Its totient is φ = 6847067680.

The previous prime is 20541203041. The next prime is 20541203077. The reversal of 20541203052 is 25030214502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20541203052² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855883449 + ... + 855883472.

It is an arithmetic number, because the mean of its divisors is an integer number (3994122818).

Almost surely, 2^20541203052 is an apocalyptic number.

It is an amenable number.

20541203052 is an abundant number, since it is smaller than the sum of its proper divisors (27388270764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20541203052 is a wasteful number, since it uses less digits than its factorization.

20541203052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711766928 (or 1711766926 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20541203052 its reverse (25030214502), we get a palindrome (45571417554).

The spelling of 20541203052 in words is "twenty billion, five hundred forty-one million, two hundred three thousand, fifty-two".