103120020030 has 32 divisors (see below), whose sum is σ = 250039478304. Its totient is φ = 27215179776.

The previous prime is 103120020023. The next prime is 103120020077. The reversal of 103120020030 is 30020021301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103120019988 and 103120020015.

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, 17715307 + ... + 17721126.

It is an arithmetic number, because the mean of its divisors is an integer number (7813733697).

Almost surely, 2^103120020030 is an apocalyptic number.

103120020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103120020030 is an abundant number, since it is smaller than the sum of its proper divisors (146919458274).

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

103120020030 is a wasteful number, since it uses less digits than its factorization.

103120020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35436540.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 103120020030 its reverse (30020021301), we get a palindrome (133140041331).

The spelling of 103120020030 in words is "one hundred three billion, one hundred twenty million, twenty thousand, thirty".