20366677124 has 6 divisors (see below), whose sum is σ = 35641684974. Its totient is φ = 10183338560.

The previous prime is 20366677099. The next prime is 20366677151. The reversal of 20366677124 is 42177666302.

It can be written as a sum of positive squares in only one way, i.e., 15297237124 + 5069440000 = 123682^2 + 71200^2 .

It is a super-2 number, since 2×20366677124² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545834637 + ... + 2545834644.

It is an arithmetic number, because the mean of its divisors is an integer number (5940280829).

Almost surely, 2^20366677124 is an apocalyptic number.

It is an amenable number.

20366677124 is a deficient number, since it is larger than the sum of its proper divisors (15275007850).

20366677124 is a wasteful number, since it uses less digits than its factorization.

20366677124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091669285 (or 5091669283 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 20366677124 in words is "twenty billion, three hundred sixty-six million, six hundred seventy-seven thousand, one hundred twenty-four".