20022220010 has 32 divisors (see below), whose sum is σ = 38922342480. Its totient is φ = 7371859968.

The previous prime is 20022220003. The next prime is 20022220019. The reversal of 20022220010 is 1002222002.

It can be written as a sum of positive squares in 8 ways, for example, as 3012582769 + 17009637241 = 54887^2 + 130421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20022219973 and 20022220000.

It is not an unprimeable number, because it can be changed into a prime (20022220019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172265 + ... + 264044.

Almost surely, 2^20022220010 is an apocalyptic number.

20022220010 is a deficient number, since it is larger than the sum of its proper divisors (18900122470).

20022220010 is a wasteful number, since it uses less digits than its factorization.

20022220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436682.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022220010 its reverse (1002222002), we get a palindrome (21024442012).

The spelling of 20022220010 in words is "twenty billion, twenty-two million, two hundred twenty thousand, ten".