1020651651050 has 48 divisors (see below), whose sum is σ = 2001589553760. Its totient is φ = 386142085440.

The previous prime is 1020651650927. The next prime is 1020651651101. The reversal of 1020651651050 is 501561560201.

It is a super-2 number, since 2×1020651651050² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020651650998 and 1020651651016.

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, 293972 + ... + 1458671.

It is an arithmetic number, because the mean of its divisors is an integer number (41699782370).

Almost surely, 2^{1020651651050} is an apocalyptic number.

1020651651050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020651651050 is a deficient number, since it is larger than the sum of its proper divisors (980937902710).

1020651651050 is a wasteful number, since it uses less digits than its factorization.

1020651651050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753287 (or 1753282 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1020651651050 in words is "one trillion, twenty billion, six hundred fifty-one million, six hundred fifty-one thousand, fifty".