20020221101012 has 96 divisors (see below), whose sum is σ = 38448124775424. Its totient is φ = 9046096012800.

The previous prime is 20020221100973. The next prime is 20020221101033. The reversal of 20020221101012 is 21010112202002.

It is a super-2 number, since 2×20020221101012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9955355087 + ... + 9955357097.

It is an arithmetic number, because the mean of its divisors is an integer number (400501299744).

Almost surely, 2^{20020221101012} is an apocalyptic number.

20020221101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020221101012 is a deficient number, since it is larger than the sum of its proper divisors (18427903674412).

20020221101012 is a wasteful number, since it uses less digits than its factorization.

20020221101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020221101012 its reverse (21010112202002), we get a palindrome (41030333303014).

The spelling of 20020221101012 in words is "twenty trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, twelve".