20020102212 has 24 divisors (see below), whose sum is σ = 50960260512. Its totient is φ = 6066697600.

The previous prime is 20020102177. The next prime is 20020102231. The reversal of 20020102212 is 21220102002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75833589 + ... + 75833852.

It is an arithmetic number, because the mean of its divisors is an integer number (2123344188).

Almost surely, 2^20020102212 is an apocalyptic number.

20020102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020102212 is an abundant number, since it is smaller than the sum of its proper divisors (30940158300).

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

20020102212 is a wasteful number, since it uses less digits than its factorization.

20020102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151667459 (or 151667457 counting only the distinct ones).

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

Adding to 20020102212 its reverse (21220102002), we get a palindrome (41240204214).

The spelling of 20020102212 in words is "twenty billion, twenty million, one hundred two thousand, two hundred twelve".