20132502542 has 16 divisors (see below), whose sum is σ = 30306046752. Its totient is φ = 10030540800.

The previous prime is 20132502541. The next prime is 20132502553. The reversal of 20132502542 is 24520523102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132502541) 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, 775598 + ... + 801134.

It is an arithmetic number, because the mean of its divisors is an integer number (1894127922).

Almost surely, 2^20132502542 is an apocalyptic number.

20132502542 is a deficient number, since it is larger than the sum of its proper divisors (10173544210).

20132502542 is a wasteful number, since it uses less digits than its factorization.

20132502542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26923.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20132502542 in words is "twenty billion, one hundred thirty-two million, five hundred two thousand, five hundred forty-two".