20542231035 has 24 divisors (see below), whose sum is σ = 35696253840. Its totient is φ = 10928250432.

The previous prime is 20542231033. The next prime is 20542231037. The reversal of 20542231035 is 53013224502.

It is a happy number.

20542231035 is a `hidden beast` number, since 205 + 422 + 3 + 1 + 0 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (20542231033) and next prime (20542231037).

It is not a de Polignac number, because 20542231035 - 2¹ = 20542231033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20542231033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557065 + ... + 592794.

It is an arithmetic number, because the mean of its divisors is an integer number (1487343910).

Almost surely, 2^20542231035 is an apocalyptic number.

20542231035 is a deficient number, since it is larger than the sum of its proper divisors (15154022805).

20542231035 is a wasteful number, since it uses less digits than its factorization.

20542231035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150267 (or 1150264 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20542231035 its reverse (53013224502), we get a palindrome (73555455537).

The spelling of 20542231035 in words is "twenty billion, five hundred forty-two million, two hundred thirty-one thousand, thirty-five".