103010120020 has 48 divisors (see below), whose sum is σ = 217524737808. Its totient is φ = 40975441920.

The previous prime is 103010119943. The next prime is 103010120027. The reversal of 103010120020 is 20021010301.

It can be written as a sum of positive squares in 8 ways, for example, as 33239123856 + 69770996164 = 182316^2 + 264142^2 .

It is a super-2 number, since 2×103010120020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 103010119979 and 103010120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103010120027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649844 + ... + 2688436.

It is an arithmetic number, because the mean of its divisors is an integer number (4531765371).

Almost surely, 2^103010120020 is an apocalyptic number.

103010120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103010120020 is an abundant number, since it is smaller than the sum of its proper divisors (114514617788).

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

103010120020 is a wasteful number, since it uses less digits than its factorization.

103010120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39340 (or 39338 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 103010120020 its reverse (20021010301), we get a palindrome (123031130321).

The spelling of 103010120020 in words is "one hundred three billion, ten million, one hundred twenty thousand, twenty".