20106100070 has 64 divisors (see below), whose sum is σ = 42630644736. Its totient is φ = 6683264640.

The previous prime is 20106100051. The next prime is 20106100097. The reversal of 20106100070 is 7000160102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719255 + ... + 746685.

It is an arithmetic number, because the mean of its divisors is an integer number (666103824).

Almost surely, 2^20106100070 is an apocalyptic number.

20106100070 is an abundant number, since it is smaller than the sum of its proper divisors (22524544666).

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

20106100070 is a wasteful number, since it uses less digits than its factorization.

20106100070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 20106100070 its reverse (7000160102), we get a palindrome (27106260172).

The spelling of 20106100070 in words is "twenty billion, one hundred six million, one hundred thousand, seventy".