20542346070 has 16 divisors (see below), whose sum is σ = 49301630640. Its totient is φ = 5477958944.

The previous prime is 20542346047. The next prime is 20542346081. The reversal of 20542346070 is 7064324502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342372405 + ... + 342372464.

It is an arithmetic number, because the mean of its divisors is an integer number (3081351915).

Almost surely, 2^20542346070 is an apocalyptic number.

20542346070 is an abundant number, since it is smaller than the sum of its proper divisors (28759284570).

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

20542346070 is a wasteful number, since it uses less digits than its factorization.

20542346070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684744879.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 20542346070 in words is "twenty billion, five hundred forty-two million, three hundred forty-six thousand, seventy".