20042948206 has 4 divisors (see below), whose sum is σ = 30064422312. Its totient is φ = 10021474102.

The previous prime is 20042948203. The next prime is 20042948239. The reversal of 20042948206 is 60284924002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60284924002 = 2 ⋅30142462001.

It is a super-4 number, since 4×20042948206⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042948203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010737050 + ... + 5010737053.

It is an arithmetic number, because the mean of its divisors is an integer number (7516105578).

Almost surely, 2^20042948206 is an apocalyptic number.

20042948206 is a deficient number, since it is larger than the sum of its proper divisors (10021474106).

20042948206 is a wasteful number, since it uses less digits than its factorization.

20042948206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021474105.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 20042948206 in words is "twenty billion, forty-two million, nine hundred forty-eight thousand, two hundred six".