10020123007 has 16 divisors (see below), whose sum is σ = 10563079680. Its totient is φ = 9491731200.

The previous prime is 10020122999. The next prime is 10020123011. The reversal of 10020123007 is 70032102001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10020123007 - 2³ = 10020122999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020123067) 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, 391957 + ... + 416737.

It is an arithmetic number, because the mean of its divisors is an integer number (660192480).

Almost surely, 2^10020123007 is an apocalyptic number.

10020123007 is a deficient number, since it is larger than the sum of its proper divisors (542956673).

10020123007 is a wasteful number, since it uses less digits than its factorization.

10020123007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25074.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 10020123007 its reverse (70032102001), we get a palindrome (80052225008).

The spelling of 10020123007 in words is "ten billion, twenty million, one hundred twenty-three thousand, seven".