20603886942 has 16 divisors (see below), whose sum is σ = 41214483072. Its totient is φ = 6866844120.

The previous prime is 20603886871. The next prime is 20603886943. The reversal of 20603886942 is 24968830602.

It is a super-3 number, since 3×20603886942³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20603886891 and 20603886900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20603886943) 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, 239178 + ... + 313709.

It is an arithmetic number, because the mean of its divisors is an integer number (2575905192).

Almost surely, 2^20603886942 is an apocalyptic number.

20603886942 is an abundant number, since it is smaller than the sum of its proper divisors (20610596130).

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

20603886942 is a wasteful number, since it uses less digits than its factorization.

20603886942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559103.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 20603886942 in words is "twenty billion, six hundred three million, eight hundred eighty-six thousand, nine hundred forty-two".