20548019706 has 32 divisors (see below), whose sum is σ = 41768110080. Its totient is φ = 6737819904.

The previous prime is 20548019693. The next prime is 20548019719. The reversal of 20548019706 is 60791084502.

It is an interprime number because it is at equal distance from previous prime (20548019693) and next prime (20548019719).

It is a super-2 number, since 2×20548019706² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106510 + ... + 228998.

It is an arithmetic number, because the mean of its divisors is an integer number (1305253440).

Almost surely, 2^20548019706 is an apocalyptic number.

20548019706 is an abundant number, since it is smaller than the sum of its proper divisors (21220090374).

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

20548019706 is a wasteful number, since it uses less digits than its factorization.

20548019706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122950.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 20548019706 in words is "twenty billion, five hundred forty-eight million, nineteen thousand, seven hundred six".