20012120202 has 64 divisors (see below), whose sum is σ = 41040230400. Its totient is φ = 6503535360.

The previous prime is 20012120099. The next prime is 20012120207. The reversal of 20012120202 is 20202121002.

It is not an unprimeable number, because it can be changed into a prime (20012120207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32329449 + ... + 32330067.

It is an arithmetic number, because the mean of its divisors is an integer number (641253600).

Almost surely, 2^20012120202 is an apocalyptic number.

20012120202 is an abundant number, since it is smaller than the sum of its proper divisors (21028110198).

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

20012120202 is a wasteful number, since it uses less digits than its factorization.

20012120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012120202 its reverse (20202121002), we get a palindrome (40214241204).

The spelling of 20012120202 in words is "twenty billion, twelve million, one hundred twenty thousand, two hundred two".