20122106070 has 64 divisors (see below), whose sum is σ = 52750123776. Its totient is φ = 4871902080.

The previous prime is 20122106057. The next prime is 20122106077. The reversal of 20122106070 is 7060122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122106077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224757 + ... + 301263.

It is an arithmetic number, because the mean of its divisors is an integer number (824220684).

Almost surely, 2^20122106070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122106070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26375061888).

20122106070 is an abundant number, since it is smaller than the sum of its proper divisors (32628017706).

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

20122106070 is a wasteful number, since it uses less digits than its factorization.

20122106070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77325.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 20122106070 its reverse (7060122102), we get a palindrome (27182228172).

The spelling of 20122106070 in words is "twenty billion, one hundred twenty-two million, one hundred six thousand, seventy".