220021012010 has 32 divisors (see below), whose sum is σ = 399354924672. Its totient is φ = 87272261440.

The previous prime is 220021012009. The next prime is 220021012033. The reversal of 220021012010 is 10210120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220021011982 and 220021012000.

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, 1737467 + ... + 1859793.

It is an arithmetic number, because the mean of its divisors is an integer number (12479841396).

Almost surely, 2^220021012010 is an apocalyptic number.

220021012010 is a deficient number, since it is larger than the sum of its proper divisors (179333912662).

220021012010 is a wasteful number, since it uses less digits than its factorization.

220021012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123838.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220021012010 its reverse (10210120022), we get a palindrome (230231132032).

The spelling of 220021012010 in words is "two hundred twenty billion, twenty-one million, twelve thousand, ten".