20524423221210 has 32 divisors (see below), whose sum is σ = 49407433324992. Its totient is φ = 5456644237440.

The previous prime is 20524423221149. The next prime is 20524423221233. The reversal of 20524423221210 is 1212232442502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033445419 + ... + 1033465278.

It is an arithmetic number, because the mean of its divisors is an integer number (1543982291406).

Almost surely, 2^{20524423221210} is an apocalyptic number.

20524423221210 is an abundant number, since it is smaller than the sum of its proper divisors (28883010103782).

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

20524423221210 is a wasteful number, since it uses less digits than its factorization.

20524423221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066911038.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 20524423221210 its reverse (1212232442502), we get a palindrome (21736655663712).

The spelling of 20524423221210 in words is "twenty trillion, five hundred twenty-four billion, four hundred twenty-three million, two hundred twenty-one thousand, two hundred ten".