20020100001102 has 32 divisors (see below), whose sum is σ = 44489282412960. Its totient is φ = 6673340972160.

The previous prime is 20020100001091. The next prime is 20020100001113. The reversal of 20020100001102 is 20110000102002.

It is an interprime number because it is at equal distance from previous prime (20020100001091) and next prime (20020100001113).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17888902 + ... + 18975062.

It is an arithmetic number, because the mean of its divisors is an integer number (1390290075405).

Almost surely, 2^{20020100001102} is an apocalyptic number.

20020100001102 is an abundant number, since it is smaller than the sum of its proper divisors (24469182411858).

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

20020100001102 is a wasteful number, since it uses less digits than its factorization.

20020100001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427505 (or 1427499 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20020100001102 its reverse (20110000102002), we get a palindrome (40130100103104).

The spelling of 20020100001102 in words is "twenty trillion, twenty billion, one hundred million, one thousand, one hundred two".