20251025312070 has 64 divisors (see below), whose sum is σ = 55601720119296. Its totient is φ = 4624134894720.

The previous prime is 20251025312069. The next prime is 20251025312137. The reversal of 20251025312070 is 7021352015202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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, 48446509 + ... + 48862728.

It is an arithmetic number, because the mean of its divisors is an integer number (868776876864).

Almost surely, 2^{20251025312070} is an apocalyptic number.

20251025312070 is an abundant number, since it is smaller than the sum of its proper divisors (35350694807226).

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

20251025312070 is a wasteful number, since it uses less digits than its factorization.

20251025312070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97310245.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 20251025312070 its reverse (7021352015202), we get a palindrome (27272377327272).

The spelling of 20251025312070 in words is "twenty trillion, two hundred fifty-one billion, twenty-five million, three hundred twelve thousand, seventy".