20010212623 has 2 divisors, whose sum is σ = 20010212624. Its totient is φ = 20010212622.

The previous prime is 20010212611. The next prime is 20010212687. The reversal of 20010212623 is 32621201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010212623 - 2⁵ = 20010212591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010212623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010212603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005106311 + 10005106312.

It is an arithmetic number, because the mean of its divisors is an integer number (10005106312).

Almost surely, 2^20010212623 is an apocalyptic number.

20010212623 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010212623 is an equidigital number, since it uses as much as digits as its factorization.

20010212623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20010212623 its reverse (32621201002), we get a palindrome (52631413625).

The spelling of 20010212623 in words is "twenty billion, ten million, two hundred twelve thousand, six hundred twenty-three".