20701066257150 has 24 divisors (see below), whose sum is σ = 51338644318104. Its totient is φ = 5520284335200.

The previous prime is 20701066257097. The next prime is 20701066257191. The reversal of 20701066257150 is 5175266010702.

It is a happy number.

It is a super-2 number, since 2×20701066257150² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69003554041 + ... + 69003554340.

It is an arithmetic number, because the mean of its divisors is an integer number (2139110179921).

Almost surely, 2^{20701066257150} is an apocalyptic number.

20701066257150 is an abundant number, since it is smaller than the sum of its proper divisors (30637578060954).

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

20701066257150 is a wasteful number, since it uses less digits than its factorization.

20701066257150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138007108396 (or 138007108391 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 20701066257150 in words is "twenty trillion, seven hundred one billion, sixty-six million, two hundred fifty-seven thousand, one hundred fifty".