201024420102 has 48 divisors (see below), whose sum is σ = 486198618048. Its totient is φ = 59499825840.

The previous prime is 201024420089. The next prime is 201024420109.

201024420102 is a `hidden beast` number, since 20 + 102 + 442 + 0 + 102 = 666.

201024420102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024420109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11797008 + ... + 11814035.

It is an arithmetic number, because the mean of its divisors is an integer number (10129137876).

Almost surely, 2^201024420102 is an apocalyptic number.

201024420102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201024420102 is an abundant number, since it is smaller than the sum of its proper divisors (285174197946).

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

201024420102 is a wasteful number, since it uses less digits than its factorization.

201024420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23611105 (or 23611102 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 201024 and 420102, that added together give a palindrome (621126).

The spelling of 201024420102 in words is "two hundred one billion, twenty-four million, four hundred twenty thousand, one hundred two".