20201120010 has 32 divisors (see below), whose sum is σ = 53869654080. Its totient is φ = 5386965264.

The previous prime is 20201119957. The next prime is 20201120011. The reversal of 20201120010 is 1002110202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20201119974 and 20201120001.

It is not an unprimeable number, because it can be changed into a prime (20201120011) 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, 37409212 + ... + 37409751.

It is an arithmetic number, because the mean of its divisors is an integer number (1683426690).

Almost surely, 2^20201120010 is an apocalyptic number.

20201120010 is an abundant number, since it is smaller than the sum of its proper divisors (33668534070).

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

20201120010 is a wasteful number, since it uses less digits than its factorization.

20201120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74818979 (or 74818973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20201120010 its reverse (1002110202), we get a palindrome (21203230212).

The spelling of 20201120010 in words is "twenty billion, two hundred one million, one hundred twenty thousand, ten".