20476131124 has 6 divisors (see below), whose sum is σ = 35833229474. Its totient is φ = 10238065560.

The previous prime is 20476131119. The next prime is 20476131139. The reversal of 20476131124 is 42113167402.

It can be written as a sum of positive squares in only one way, i.e., 15195492900 + 5280638224 = 123270^2 + 72668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559516387 + ... + 2559516394.

Almost surely, 2^20476131124 is an apocalyptic number.

It is an amenable number.

20476131124 is a deficient number, since it is larger than the sum of its proper divisors (15357098350).

20476131124 is a wasteful number, since it uses less digits than its factorization.

20476131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119032785 (or 5119032783 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 20476131124 its reverse (42113167402), we get a palindrome (62589298526).

The spelling of 20476131124 in words is "twenty billion, four hundred seventy-six million, one hundred thirty-one thousand, one hundred twenty-four".