20100032010 has 32 divisors (see below), whose sum is σ = 53600086080. Its totient is φ = 5360008464.

The previous prime is 20100031993. The next prime is 20100032021. The reversal of 20100032010 is 1023000102.

It is a happy number.

It is a super-2 number, since 2×20100032010² (a number of 21 digits) contains 22 as substring.

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 = 20100031983 and 20100032001.

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, 37222012 + ... + 37222551.

It is an arithmetic number, because the mean of its divisors is an integer number (1675002690).

Almost surely, 2^20100032010 is an apocalyptic number.

20100032010 is an abundant number, since it is smaller than the sum of its proper divisors (33500054070).

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

20100032010 is a wasteful number, since it uses less digits than its factorization.

20100032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74444579 (or 74444573 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20100032010 its reverse (1023000102), we get a palindrome (21123032112).

The spelling of 20100032010 in words is "twenty billion, one hundred million, thirty-two thousand, ten".