20531522122 has 8 divisors (see below), whose sum is σ = 30952044000. Its totient is φ = 10214174124.

The previous prime is 20531522119. The next prime is 20531522129. The reversal of 20531522122 is 22122513502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20531522129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25792972 + ... + 25793767.

It is an arithmetic number, because the mean of its divisors is an integer number (3869005500).

Almost surely, 2^20531522122 is an apocalyptic number.

20531522122 is a deficient number, since it is larger than the sum of its proper divisors (10420521878).

20531522122 is a wasteful number, since it uses less digits than its factorization.

20531522122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51586940.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20531522122 in words is "twenty billion, five hundred thirty-one million, five hundred twenty-two thousand, one hundred twenty-two".