20021341124 has 24 divisors (see below), whose sum is σ = 36913077600. Its totient is φ = 9475652160.

The previous prime is 20021341061. The next prime is 20021341157. The reversal of 20021341124 is 42114312002.

It is a junction number, because it is equal to n+sod(n) for n = 20021341096 and 20021341105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23489 + ... + 201480.

It is an arithmetic number, because the mean of its divisors is an integer number (1538044900).

Almost surely, 2^20021341124 is an apocalyptic number.

It is an amenable number.

20021341124 is a deficient number, since it is larger than the sum of its proper divisors (16891736476).

20021341124 is a wasteful number, since it uses less digits than its factorization.

20021341124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226163 (or 226161 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20021341124 its reverse (42114312002), we get a palindrome (62135653126).

The spelling of 20021341124 in words is "twenty billion, twenty-one million, three hundred forty-one thousand, one hundred twenty-four".