201220020122002 has 24 divisors (see below), whose sum is σ = 351167107443660. Its totient is φ = 86222732712480.

The previous prime is 201220020121969. The next prime is 201220020122087. The reversal of 201220020122002 is 200221020022102.

It can be written as a sum of positive squares in 2 ways, for example, as 200822087511241 + 397932610761 = 14171171^2 + 630819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171062877 + ... + 172235152.

Almost surely, 2^{201220020122002} is an apocalyptic number.

201220020122002 is a deficient number, since it is larger than the sum of its proper divisors (149947087321658).

201220020122002 is a wasteful number, since it uses less digits than its factorization.

201220020122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343304026 (or 343304019 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201220020122002 its reverse (200221020022102), we get a palindrome (401441040144104).

The spelling of 201220020122002 in words is "two hundred one trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, two".