201026620102 has 16 divisors (see below), whose sum is σ = 375945887232. Its totient is φ = 78322059720.

The previous prime is 201026620099. The next prime is 201026620139.

201026620102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 652683678 + ... + 652683985.

It is an arithmetic number, because the mean of its divisors is an integer number (23496617952).

Almost surely, 2^201026620102 is an apocalyptic number.

201026620102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201026620102 is a deficient number, since it is larger than the sum of its proper divisors (174919267130).

201026620102 is a wasteful number, since it uses less digits than its factorization.

201026620102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305367683.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 201026 and 620102, that added together give a palindrome (821128).

The spelling of 201026620102 in words is "two hundred one billion, twenty-six million, six hundred twenty thousand, one hundred two".