20301000542 has 4 divisors (see below), whose sum is σ = 30451500816. Its totient is φ = 10150500270.

The previous prime is 20301000541. The next prime is 20301000553. The reversal of 20301000542 is 24500010302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24500010302 = 2 ⋅12250005151.

It is a self number, because there is not a number n which added to its sum of digits gives 20301000542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301000541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075250134 + ... + 5075250137.

It is an arithmetic number, because the mean of its divisors is an integer number (7612875204).

Almost surely, 2^20301000542 is an apocalyptic number.

20301000542 is a deficient number, since it is larger than the sum of its proper divisors (10150500274).

20301000542 is a wasteful number, since it uses less digits than its factorization.

20301000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150500273.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20301000542 its reverse (24500010302), we get a palindrome (44801010844).

The spelling of 20301000542 in words is "twenty billion, three hundred one million, five hundred forty-two", and thus it is an aban number.