103201155020 has 24 divisors (see below), whose sum is σ = 226145140704. Its totient is φ = 39485659136.

The previous prime is 103201155019. The next prime is 103201155037. The reversal of 103201155020 is 20551102301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103201154983 and 103201155001.

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, 112174709 + ... + 112175628.

It is an arithmetic number, because the mean of its divisors is an integer number (9422714196).

Almost surely, 2^103201155020 is an apocalyptic number.

103201155020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103201155020 is an abundant number, since it is smaller than the sum of its proper divisors (122943985684).

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

103201155020 is a wasteful number, since it uses less digits than its factorization.

103201155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224350369 (or 224350367 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 103201155020 its reverse (20551102301), we get a palindrome (123752257321).

The spelling of 103201155020 in words is "one hundred three billion, two hundred one million, one hundred fifty-five thousand, twenty".