20628151006770 has 48 divisors (see below), whose sum is σ = 53645319628992. Its totient is φ = 5499596472480.

The previous prime is 20628151006759. The next prime is 20628151006781. The reversal of 20628151006770 is 7760015182602.

20628151006770 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 8 + 1 + 510 + 0 + 67 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (20628151006759) and next prime (20628151006781).

It is a super-3 number, since 3×20628151006770³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25512136 + ... + 26308275.

It is an arithmetic number, because the mean of its divisors is an integer number (1117610825604).

Almost surely, 2^{20628151006770} is an apocalyptic number.

20628151006770 is an abundant number, since it is smaller than the sum of its proper divisors (33017168622222).

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

20628151006770 is a wasteful number, since it uses less digits than its factorization.

20628151006770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824847 (or 51824844 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 20628151006770 in words is "twenty trillion, six hundred twenty-eight billion, one hundred fifty-one million, six thousand, seven hundred seventy".