20570461224 has 32 divisors (see below), whose sum is σ = 51801534720. Its totient is φ = 6806769536.

The previous prime is 20570461183. The next prime is 20570461253. The reversal of 20570461224 is 42216407502.

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, 3124824 + ... + 3131399.

It is an arithmetic number, because the mean of its divisors is an integer number (1618797960).

Almost surely, 2^20570461224 is an apocalyptic number.

20570461224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20570461224 is an abundant number, since it is smaller than the sum of its proper divisors (31231073496).

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

20570461224 is a wasteful number, since it uses less digits than its factorization.

20570461224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256369 (or 6256365 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 20570461224 its reverse (42216407502), we get a palindrome (62786868726).

The spelling of 20570461224 in words is "twenty billion, five hundred seventy million, four hundred sixty-one thousand, two hundred twenty-four".