102203220540 has 24 divisors (see below), whose sum is σ = 286169017680. Its totient is φ = 27254192128.

The previous prime is 102203220521. The next prime is 102203220547. The reversal of 102203220540 is 45022302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203220547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851693445 + ... + 851693564.

It is an arithmetic number, because the mean of its divisors is an integer number (11923709070).

Almost surely, 2^102203220540 is an apocalyptic number.

102203220540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203220540 is an abundant number, since it is smaller than the sum of its proper divisors (183965797140).

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

102203220540 is a wasteful number, since it uses less digits than its factorization.

102203220540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703387021 (or 1703387019 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 102203220540 its reverse (45022302201), we get a palindrome (147225522741).

The spelling of 102203220540 in words is "one hundred two billion, two hundred three million, two hundred twenty thousand, five hundred forty".