120202311020 has 24 divisors (see below), whose sum is σ = 275372567568. Its totient is φ = 43709931200.

The previous prime is 120202311007. The next prime is 120202311023. The reversal of 120202311020 is 20113202021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120202310986 and 120202311004.

It is not an unprimeable number, because it can be changed into a prime (120202311023) 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, 273186851 + ... + 273187290.

It is an arithmetic number, because the mean of its divisors is an integer number (11473856982).

Almost surely, 2^120202311020 is an apocalyptic number.

120202311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202311020 is an abundant number, since it is smaller than the sum of its proper divisors (155170256548).

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

120202311020 is a wasteful number, since it uses less digits than its factorization.

120202311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546374161 (or 546374159 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120202311020 its reverse (20113202021), we get a palindrome (140315513041).

The spelling of 120202311020 in words is "one hundred twenty billion, two hundred two million, three hundred eleven thousand, twenty".