20120010 has 32 divisors (see below), whose sum is σ = 51129792. Its totient is φ = 5049600.

The previous prime is 20119991. The next prime is 20120029. The reversal of 20120010 is 1002102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20119991) and next prime (20120029).

It is a Harshad number since it is a multiple of its sum of digits (6).

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, 19216 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (1597806).

Almost surely, 2^20120010 is an apocalyptic number.

20120010 is an abundant number, since it is smaller than the sum of its proper divisors (31009782).

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

20120010 is a wasteful number, since it uses less digits than its factorization.

20120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39478.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 20120010 is about 4485.5334130959. The cubic root of 20120010 is about 271.9836080808.

Adding to 20120010 its reverse (1002102), we get a palindrome (21122112).

The spelling of 20120010 in words is "twenty million, one hundred twenty thousand, ten".